/* ============================================================================
   维斯 宣传页 · 功能段 04～09 的样式（只写新增内容，复用 site.css / motion.css 已有规则）
   - .feature / .viz / .tiles / .reveal 骨架与入场来自 site.css
   - .art 画框、--loop / --c / --c-soft / --txt / --dim、进入视口才播放（.is-on）、
     caret-blink 关键帧均来自 motion.css / site.css，此处不重复定义
   - 配色只用令牌变量，不自创颜色；动画全部 DOM + CSS @keyframes，循环播放
============================================================================ */

/* 六段演示卡统一 10 秒一个循环 */
.art--delegate, .art--skills, .art--browser, .art--memory, .art--schedule, .art--kb { --loop: 10s; }

/* ============ 04 · 手下：任务节点裂成 3 个并行节点，逐个打勾，验收通过 ============ */
.art--delegate .sp-tree {
  position: absolute; left: 8%; right: 8%; top: 11%; bottom: 12%;
  display: flex; flex-direction: column; align-items: stretch;
}
.art--delegate .sp-root {
  align-self: center; flex: none; max-width: 100%;
  padding: 8px 18px; border-radius: 999px; font-size: 13px; color: var(--txt);
  background: var(--c-soft); border: 1px solid rgba(79, 195, 247, 0.45);
  box-shadow: 0 0 22px rgba(79, 195, 247, 0.2);
  animation: sp-root-a var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both;
}
.art--delegate .sp-links {
  flex: 1; min-height: 0; width: 100%; display: block;
  color: var(--accent); opacity: 0.65;
  animation: sp-link-a var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both;
}
.art--delegate .sp-links path { fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; }
.art--delegate .sp-nodes {
  flex: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px;
}
.art--delegate .sp-node {
  display: flex; align-items: center; justify-content: center; gap: 8px; min-width: 0;
  padding: 11px 12px; border-radius: 11px;
  background: rgba(255, 255, 255, 0.04); border: 1px solid var(--line);
}
.art--delegate .sp-node__name { color: var(--txt); font-size: 12.5px; white-space: nowrap; }
.art--delegate .sp-node__check { display: inline-block; color: #6be3a0; font-weight: 700; }
.art--delegate .sp-pass {
  position: absolute; left: 50%; bottom: 6%; transform: translateX(-50%);
  padding: 8px 22px; border-radius: 999px; font-size: 13px; font-weight: 600; color: #031018;
  background: var(--accent); box-shadow: 0 0 26px rgba(79, 195, 247, 0.45);
  animation: sp-pass-a var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both;
}
@keyframes sp-root-a { 0%, 5% { opacity: 0; } 12%, 88% { opacity: 1; } 96%, 100% { opacity: 0; } }
@keyframes sp-link-a { 0%, 10% { opacity: 0; } 18%, 88% { opacity: 0.65; } 96%, 100% { opacity: 0; } }
@keyframes sp-node1 { 0%, 14% { opacity: 0; transform: translateY(10px) scale(0.9); } 22%, 88% { opacity: 1; transform: none; } 96%, 100% { opacity: 0; transform: none; } }
@keyframes sp-node2 { 0%, 21% { opacity: 0; transform: translateY(10px) scale(0.9); } 29%, 88% { opacity: 1; transform: none; } 96%, 100% { opacity: 0; transform: none; } }
@keyframes sp-node3 { 0%, 28% { opacity: 0; transform: translateY(10px) scale(0.9); } 36%, 88% { opacity: 1; transform: none; } 96%, 100% { opacity: 0; transform: none; } }
@keyframes sp-chk1 { 0%, 30% { opacity: 0; transform: scale(0.3); } 38%, 88% { opacity: 1; transform: none; } 96%, 100% { opacity: 0; } }
@keyframes sp-chk2 { 0%, 38% { opacity: 0; transform: scale(0.3); } 46%, 88% { opacity: 1; transform: none; } 96%, 100% { opacity: 0; } }
@keyframes sp-chk3 { 0%, 46% { opacity: 0; transform: scale(0.3); } 54%, 88% { opacity: 1; transform: none; } 96%, 100% { opacity: 0; } }
@keyframes sp-pass-a { 0%, 60% { opacity: 0; transform: translate(-50%, 12px) scale(0.9); } 70%, 92% { opacity: 1; transform: translate(-50%, 0) scale(1); } 98%, 100% { opacity: 0; transform: translate(-50%, 0) scale(1); } }
.art--delegate .sp-node--1 { animation: sp-node1 var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both; }
.art--delegate .sp-node--2 { animation: sp-node2 var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both; }
.art--delegate .sp-node--3 { animation: sp-node3 var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both; }
.art--delegate .sp-node--1 .sp-node__check { animation: sp-chk1 var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both; }
.art--delegate .sp-node--2 .sp-node__check { animation: sp-chk2 var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both; }
.art--delegate .sp-node--3 .sp-node__check { animation: sp-chk3 var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both; }

/* ============ 05 · 技能：一排技能卡逐张点亮，拼进工具箱 ============ */
.art--skills .sk-head {
  position: absolute; left: 50%; top: 9%; transform: translateX(-50%);
  font-size: 13px; color: var(--dim); white-space: nowrap;
  animation: sk-head-a var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both;
}
.art--skills .sk-row {
  position: absolute; left: 12%; right: 12%; top: 30%;
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px;
}
.art--skills .sk-card {
  display: flex; flex-direction: column; align-items: center; gap: 9px; min-width: 0;
  padding: 16px 10px 14px; border-radius: 14px;
  background: rgba(255, 255, 255, 0.03); border: 1px solid var(--line);
}
.art--skills .sk-ic {
  width: 26px; height: 26px; color: var(--accent);
  fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round;
}
.art--skills .sk-name { font-size: 12px; color: var(--txt); white-space: nowrap; }
.art--skills .sk-box {
  position: absolute; left: 50%; bottom: 7%; transform: translateX(-50%);
  display: flex; align-items: center; gap: 9px; padding: 9px 18px; border-radius: 999px;
  background: #0d1420; border: 1px solid rgba(79, 195, 247, 0.4);
  animation: sk-box-in var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both;
}
.art--skills .sk-box__lbl { color: var(--accent); font-size: 12px; font-weight: 600; }
.art--skills .sk-box__n { color: var(--txt); font-size: 12px; white-space: nowrap; }
@keyframes sk-head-a { 0%, 4% { opacity: 0; transform: translate(-50%, 8px); } 10%, 88% { opacity: 1; transform: translate(-50%, 0); } 96%, 100% { opacity: 0; transform: translate(-50%, 8px); } }
@keyframes sk-on1 { 0%, 8% { opacity: 0.35; box-shadow: none; border-color: var(--line); } 12%, 84% { opacity: 1; box-shadow: 0 0 20px var(--c-soft); border-color: rgba(79, 195, 247, 0.5); } 92%, 100% { opacity: 0.35; box-shadow: none; border-color: var(--line); } }
@keyframes sk-on2 { 0%, 16% { opacity: 0.35; box-shadow: none; border-color: var(--line); } 20%, 84% { opacity: 1; box-shadow: 0 0 20px var(--c-soft); border-color: rgba(79, 195, 247, 0.5); } 92%, 100% { opacity: 0.35; box-shadow: none; border-color: var(--line); } }
@keyframes sk-on3 { 0%, 24% { opacity: 0.35; box-shadow: none; border-color: var(--line); } 28%, 84% { opacity: 1; box-shadow: 0 0 20px var(--c-soft); border-color: rgba(79, 195, 247, 0.5); } 92%, 100% { opacity: 0.35; box-shadow: none; border-color: var(--line); } }
@keyframes sk-on4 { 0%, 32% { opacity: 0.35; box-shadow: none; border-color: var(--line); } 36%, 84% { opacity: 1; box-shadow: 0 0 20px var(--c-soft); border-color: rgba(79, 195, 247, 0.5); } 92%, 100% { opacity: 0.35; box-shadow: none; border-color: var(--line); } }
@keyframes sk-on5 { 0%, 40% { opacity: 0.35; box-shadow: none; border-color: var(--line); } 44%, 84% { opacity: 1; box-shadow: 0 0 20px var(--c-soft); border-color: rgba(79, 195, 247, 0.5); } 92%, 100% { opacity: 0.35; box-shadow: none; border-color: var(--line); } }
@keyframes sk-box-in { 0%, 52% { opacity: 0; transform: translate(-50%, 18px); } 62%, 88% { opacity: 1; transform: translate(-50%, 0); } 96%, 100% { opacity: 0; transform: translate(-50%, 18px); } }
.art--skills .sk-card:nth-child(1) { animation: sk-on1 var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both; }
.art--skills .sk-card:nth-child(2) { animation: sk-on2 var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both; }
.art--skills .sk-card:nth-child(3) { animation: sk-on3 var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both; }
.art--skills .sk-card:nth-child(4) { animation: sk-on4 var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both; }
.art--skills .sk-card:nth-child(5) { animation: sk-on5 var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both; }

/* ============ 06 · 浏览器：地址栏输入 → 页面加载 → 填表单 → 提交成功 ============ */
.art--browser .br-win {
  position: absolute; left: 9%; right: 9%; top: 11%; bottom: 9%;
  border-radius: 12px; border: 1px solid var(--line); background: #0b1120; overflow: hidden;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.45);
}
.art--browser .br-tabs {
  display: flex; align-items: center; gap: 4px; height: 30px; padding: 0 12px;
  border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, 0.02);
}
.art--browser .br-tab {
  padding: 4px 12px; border-radius: 7px 7px 0 0; font-size: 11px; color: var(--txt);
  background: rgba(255, 255, 255, 0.06); border: 1px solid var(--line); border-bottom: none;
}
.art--browser .br-tabadd { margin-left: 4px; font-size: 14px; color: var(--dim); }
.art--browser .br-bar {
  display: flex; align-items: center; gap: 8px; height: 38px; padding: 0 10px;
  border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, 0.03);
}
.art--browser .br-nav { display: flex; gap: 2px; color: var(--dim); flex: none; }
.art--browser .br-nav svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.art--browser .br-addr {
  flex: 1; min-width: 0; display: flex; align-items: center; height: 24px; padding: 0 10px;
  border-radius: 999px; background: rgba(255, 255, 255, 0.05); border: 1px solid var(--line);
  font-size: 11.5px; color: var(--txt);
}
.art--browser .br-url { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.art--browser .br-caret { width: 2px; height: 12px; margin-left: 2px; background: var(--accent); animation: caret-blink 0.9s steps(1) infinite; }
.art--browser .br-go { flex: none; padding: 3px 12px; border-radius: 999px; font-size: 11px; color: var(--ink-2); background: rgba(255, 255, 255, 0.06); border: 1px solid var(--line); }
.art--browser .br-page { position: absolute; left: 0; right: 0; top: 68px; bottom: 0; }
.art--browser .br-progress { position: absolute; top: 0; left: 0; right: 0; height: 3px; background: rgba(255, 255, 255, 0.06); }
.art--browser .br-progress i { display: block; height: 100%; width: 0; background: var(--accent); animation: br-prog var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both; }
.art--browser .br-form {
  position: absolute; left: 16%; right: 16%; top: 18%;
  display: flex; flex-direction: column; gap: 9px; padding: 15px; border-radius: 12px;
  background: rgba(255, 255, 255, 0.03); border: 1px solid var(--line);
  animation: br-form-in var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both;
}
.art--browser .br-label { font-size: 11px; color: var(--dim); }
.art--browser .br-input {
  display: flex; align-items: center; min-height: 32px; padding: 0 11px; border-radius: 8px;
  background: rgba(255, 255, 255, 0.05); border: 1px solid var(--line);
}
.art--browser .br-type { white-space: nowrap; }
.art--browser .br-tcaret { width: 2px; height: 13px; margin-left: 1px; background: var(--accent); animation: caret-blink 0.9s steps(1) infinite; }
.art--browser .br-submit {
  align-self: flex-start; padding: 7px 16px; border-radius: 999px;
  background: var(--accent); color: #031018; font-size: 12px; font-weight: 600;
  animation: br-submit-press var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both;
}
.art--browser .br-ok {
  position: absolute; left: 50%; bottom: 14%; transform: translateX(-50%);
  display: flex; align-items: center; gap: 7px; padding: 8px 16px; border-radius: 999px;
  background: #0d1420; border: 1px solid rgba(107, 227, 160, 0.5); color: #6be3a0; font-size: 12.5px;
  animation: br-ok-in var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both;
}
@keyframes br-url-type { 0%, 2% { clip-path: inset(0 100% 0 0); } 14% { clip-path: inset(0 0 0 0); } 86%, 90% { clip-path: inset(0 0 0 0); } 96%, 100% { clip-path: inset(0 100% 0 0); } }
@keyframes br-prog { 0%, 8% { width: 0; } 28% { width: 72%; } 36%, 40% { width: 100%; } 44%, 100% { width: 0; } }
@keyframes br-form-in { 0%, 34% { opacity: 0; transform: translateY(12px); } 42%, 88% { opacity: 1; transform: none; } 96%, 100% { opacity: 0; transform: translateY(12px); } }
@keyframes br-type-in { 0%, 44% { clip-path: inset(0 100% 0 0); } 56% { clip-path: inset(0 0 0 0); } 86%, 92% { clip-path: inset(0 0 0 0); } 98%, 100% { clip-path: inset(0 100% 0 0); } }
@keyframes br-submit-press { 0%, 56% { background: var(--accent); box-shadow: none; } 60%, 68% { background: #7ad3fb; box-shadow: 0 0 18px var(--c-soft); } 74%, 100% { background: var(--accent); box-shadow: none; } }
@keyframes br-ok-in { 0%, 64% { opacity: 0; transform: translate(-50%, 12px) scale(0.94); } 72%, 88% { opacity: 1; transform: translate(-50%, 0); } 96%, 100% { opacity: 0; transform: translate(-50%, 12px) scale(0.94); } }
.art--browser .br-url { animation: br-url-type var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both; }
.art--browser .br-type { animation: br-type-in var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both; }

/* ============ 07 · 记忆：旧对话被提到 → 拉出记忆条目 → 接上一句 ============ */
.art--memory .mm-chat { position: absolute; left: 15%; right: 15%; top: 16%; display: flex; flex-direction: column; gap: 14px; }
.art--memory .mm-msg { max-width: 76%; padding: 11px 15px; border-radius: 13px; font-size: 14px; line-height: 1.55; }
.art--memory .mm-msg--me {
  align-self: flex-end; background: rgba(255, 255, 255, 0.08); border: 1px solid var(--line); color: var(--ink);
  animation: mm-me var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both;
}
.art--memory .mm-msg--ai {
  align-self: flex-start; background: rgba(79, 195, 247, 0.12); border: 1px solid rgba(79, 195, 247, 0.3); color: var(--ink);
  animation: mm-ai var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both;
}
.art--memory .mm-msg--ai b { color: var(--accent); font-weight: 600; }
.art--memory .mm-pull {
  align-self: flex-start; display: flex; align-items: center; gap: 9px; max-width: 88%;
  padding: 8px 13px; border-radius: 10px; background: #0d1420; border: 1px solid rgba(79, 195, 247, 0.42);
  box-shadow: 0 0 18px rgba(79, 195, 247, 0.12);
  animation: mm-pull-in var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both;
}
.art--memory .mm-pull__ic { width: 15px; height: 15px; flex: none; color: var(--accent); fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.art--memory .mm-pull__tag { flex: none; padding: 1px 8px; border-radius: 6px; background: var(--c-soft); color: var(--accent); font-size: 11px; font-weight: 600; }
.art--memory .mm-pull__txt { color: var(--txt); font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
@keyframes mm-me { 0%, 4% { opacity: 0; transform: translateY(10px); } 10%, 88% { opacity: 1; transform: none; } 96%, 100% { opacity: 0; transform: translateY(10px); } }
@keyframes mm-pull-in { 0%, 14% { opacity: 0; transform: translateX(-26px); } 24%, 88% { opacity: 1; transform: none; } 96%, 100% { opacity: 0; transform: translateX(-26px); } }
@keyframes mm-ai { 0%, 30% { opacity: 0; transform: translateY(10px); } 38%, 88% { opacity: 1; transform: none; } 96%, 100% { opacity: 0; transform: translateY(10px); } }

/* ============ 08 · 定时：时间轴，09:00 弹提醒，00:00 弹日报 ============ */
.art--schedule .tl { position: absolute; left: 16%; right: 12%; top: 12%; bottom: 12%; animation: tl-in var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both; }
.art--schedule .tl-line { position: absolute; left: 64px; top: 0; bottom: 0; width: 2px; background: rgba(255, 255, 255, 0.08); }
.art--schedule .tl-line i { display: block; height: 100%; width: 100%; background: var(--accent); animation: tl-fill var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both; }
.art--schedule .tl-item {
  position: absolute; left: 0; right: 0;
  display: grid; grid-template-columns: 46px 14px minmax(0, 1fr); align-items: center; gap: 12px;
}
.art--schedule .tl-item--1 { top: 0; }
.art--schedule .tl-item--2 { top: 44%; }
.art--schedule .tl-item--3 { top: 88%; }
.art--schedule .tl-time { font-size: 12px; color: var(--dim); font-variant-numeric: tabular-nums; text-align: right; }
.art--schedule .tl-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--bg-raise); border: 2px solid rgba(255, 255, 255, 0.25); }
.art--schedule .tl-card {
  display: flex; align-items: center; gap: 8px; min-width: 0; padding: 9px 14px; border-radius: 10px; font-size: 12px;
}
.art--schedule .tl-card svg { width: 15px; height: 15px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.art--schedule .tl-card span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.art--schedule .tl-card--remind { background: rgba(79, 195, 247, 0.1); border: 1px solid rgba(79, 195, 247, 0.4); color: var(--txt); animation: tl-remind var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both; }
.art--schedule .tl-card--idle { background: rgba(255, 255, 255, 0.03); border: 1px solid var(--line); color: var(--dim); }
.art--schedule .tl-card--report { background: rgba(79, 195, 247, 0.1); border: 1px solid rgba(79, 195, 247, 0.4); color: var(--txt); animation: tl-report var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both; }
@keyframes tl-in { 0%, 2% { opacity: 0; } 8%, 88% { opacity: 1; } 96%, 100% { opacity: 0; } }
@keyframes tl-fill { 0%, 4% { height: 0; } 58%, 88% { height: 100%; } 96%, 100% { height: 0; } }
@keyframes tl-dot1 { 0%, 8% { border-color: rgba(255, 255, 255, 0.25); box-shadow: none; } 14%, 28% { border-color: var(--accent); box-shadow: 0 0 12px var(--c-soft); } 34%, 100% { border-color: rgba(255, 255, 255, 0.25); box-shadow: none; } }
@keyframes tl-dot2 { 0%, 32% { border-color: rgba(255, 255, 255, 0.25); box-shadow: none; } 38%, 50% { border-color: var(--accent); box-shadow: 0 0 12px var(--c-soft); } 56%, 100% { border-color: rgba(255, 255, 255, 0.25); box-shadow: none; } }
@keyframes tl-dot3 { 0%, 54% { border-color: rgba(255, 255, 255, 0.25); box-shadow: none; } 60%, 74% { border-color: var(--accent); box-shadow: 0 0 12px var(--c-soft); } 80%, 100% { border-color: rgba(255, 255, 255, 0.25); box-shadow: none; } }
@keyframes tl-remind { 0%, 8% { opacity: 0; transform: translateX(16px); } 18%, 88% { opacity: 1; transform: none; } 96%, 100% { opacity: 0; transform: translateX(16px); } }
@keyframes tl-report { 0%, 54% { opacity: 0; transform: translateX(16px); } 64%, 88% { opacity: 1; transform: none; } 96%, 100% { opacity: 0; transform: translateX(16px); } }
.art--schedule .tl-item--1 .tl-dot { animation: tl-dot1 var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both; }
.art--schedule .tl-item--2 .tl-dot { animation: tl-dot2 var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both; }
.art--schedule .tl-item--3 .tl-dot { animation: tl-dot3 var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both; }

/* ============ 09 · 知识库：散笔记归档成卡片，搜一下弹出来 ============ */
.art--kb .kb-state { position: absolute; left: 10%; top: 7%; font-size: 12px; color: var(--dim); animation: kb-state1 var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both; }
.art--kb .kb-state--2 { color: var(--accent); animation: kb-state2 var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both; }
.art--kb .kb-grid {
  position: absolute; left: 12%; right: 12%; top: 26%;
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px;
}
.art--kb .kb-card {
  min-width: 0; padding: 11px 10px; border-radius: 10px;
  background: rgba(255, 255, 255, 0.04); border: 1px solid var(--line);
  color: var(--txt); font-size: 12px; text-align: center;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.art--kb .kb-search {
  position: absolute; left: 30%; right: 30%; top: 55%;
  display: flex; align-items: center; gap: 8px; height: 30px; padding: 0 12px; border-radius: 999px;
  background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(79, 195, 247, 0.35);
  animation: kb-search-in var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both;
}
.art--kb .kb-search__ic { width: 14px; height: 14px; flex: none; color: var(--accent); fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.art--kb .kb-q { color: var(--txt); font-size: 13px; white-space: nowrap; animation: kb-q-type var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both; }
.art--kb .kb-caret { width: 2px; height: 14px; background: var(--accent); animation: caret-blink 0.9s steps(1) infinite; }
.art--kb .kb-result {
  position: absolute; left: 50%; top: 72%; transform: translateX(-50%);
  display: flex; align-items: center; gap: 8px; max-width: 80%;
  padding: 9px 16px; border-radius: 12px; background: #0d1420;
  border: 1px solid rgba(79, 195, 247, 0.45); box-shadow: 0 0 20px rgba(79, 195, 247, 0.14);
  animation: kb-result-in var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both;
}
.art--kb .kb-result svg { width: 15px; height: 15px; flex: none; color: var(--accent); fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.art--kb .kb-result span { color: var(--txt); font-size: 12.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
@keyframes kb-state1 { 0%, 36% { opacity: 1; } 44%, 100% { opacity: 0; } }
@keyframes kb-state2 { 0%, 40% { opacity: 0; } 48%, 88% { opacity: 1; } 96%, 100% { opacity: 0; } }
@keyframes kb-fold1 { 0%, 4% { opacity: 0.55; transform: translate(-34px, 22px) rotate(-8deg); } 14%, 88% { opacity: 1; transform: none; } 96%, 100% { opacity: 0.55; transform: translate(-34px, 22px) rotate(-8deg); } }
@keyframes kb-fold2 { 0%, 4% { opacity: 0.55; transform: translate(30px, -20px) rotate(7deg); } 14%, 88% { opacity: 1; transform: none; } 96%, 100% { opacity: 0.55; transform: translate(30px, -20px) rotate(7deg); } }
@keyframes kb-fold3 { 0%, 4% { opacity: 0.55; transform: translate(-22px, -26px) rotate(6deg); } 14%, 88% { opacity: 1; transform: none; } 96%, 100% { opacity: 0.55; transform: translate(-22px, -26px) rotate(6deg); } }
@keyframes kb-fold4 { 0%, 4% { opacity: 0.55; transform: translate(32px, 20px) rotate(-7deg); } 14%, 88% { opacity: 1; transform: none; } 96%, 100% { opacity: 0.55; transform: translate(32px, 20px) rotate(-7deg); } }
@keyframes kb-search-in { 0%, 46% { opacity: 0; transform: translateY(10px); } 54%, 88% { opacity: 1; transform: none; } 96%, 100% { opacity: 0; transform: translateY(10px); } }
@keyframes kb-q-type { 0%, 54% { clip-path: inset(0 100% 0 0); } 64% { clip-path: inset(0 0 0 0); } 88%, 92% { clip-path: inset(0 0 0 0); } 98%, 100% { clip-path: inset(0 100% 0 0); } }
@keyframes kb-result-in { 0%, 66% { opacity: 0; transform: translate(-50%, 12px) scale(0.95); } 74%, 90% { opacity: 1; transform: translate(-50%, 0); } 96%, 100% { opacity: 0; transform: translate(-50%, 12px) scale(0.95); } }
.art--kb .kb-card--1 { animation: kb-fold1 var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both; }
.art--kb .kb-card--2 { animation: kb-fold2 var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both; }
.art--kb .kb-card--3 { animation: kb-fold3 var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both; }
.art--kb .kb-card--4 { animation: kb-fold4 var(--loop) cubic-bezier(0.22, 0.8, 0.24, 1) infinite both; }

/* ============ 响应式：390 宽度不溢出，紧凑布局 ============ */
@media (max-width: 700px) {
  .art--delegate .sp-tree { left: 5%; right: 5%; }
  .art--delegate .sp-nodes { gap: 8px; }
  .art--delegate .sp-node { padding: 9px 8px; }
  .art--delegate .sp-node__name { font-size: 11px; }
  .art--skills .sk-row { left: 8%; right: 8%; top: 27%; gap: 6px; }
  .art--skills .sk-card { padding: 12px 6px 10px; border-radius: 10px; }
  .art--skills .sk-ic { width: 22px; height: 22px; }
  .art--skills .sk-name { font-size: 11px; }
  .art--browser .br-form { left: 10%; right: 10%; }
  .art--memory .mm-chat { left: 10%; right: 10%; }
  .art--schedule .tl { left: 8%; right: 8%; }
  .art--schedule .tl-line { left: 58px; }
  .art--schedule .tl-item { grid-template-columns: 40px 14px minmax(0, 1fr); gap: 8px; }
  .art--kb .kb-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; top: 24%; }
  .art--kb .kb-search { left: 18%; right: 18%; }
  .art--kb .kb-result { top: 70%; }
}

/* ============ 减少动态效果：停在最终画面 ============ */
@media (prefers-reduced-motion: reduce) {
  .art .br-caret, .art .br-tcaret, .art .kb-caret { display: none; }
  .art .kb-state--1 { opacity: 0; }
  .art .kb-state--2 { opacity: 1; }
}

/* 语音空间：真界面里的副标题 / 返回对话 / 左下角落款 */
.art .vs-sub { font-size: clamp(12px, 1.5vw, 15px); color: var(--dim); letter-spacing: .02em; margin-top: -4px; }
.art .vs-back { font-size: 12px; color: var(--ink2, rgba(238,243,251,.72)); border: 1px solid var(--line, rgba(255,255,255,.1));
  border-radius: 999px; padding: 6px 16px; background: rgba(255,255,255,.02); }
.art .vs-foot { position: absolute; left: 16px; bottom: 10px; font-size: 11px; color: var(--dim); letter-spacing: .05em; }

/* ==========================================================================
   05 · 浏览器：整体主页面 → 点顶栏「浏览器」→ 右侧预览台横向展开
   全部 DOM + CSS 手画，10s 循环；进入视口才播（.viz.is-on 由 site.js 控制）
   ========================================================================== */
.art--br2 { padding: 0; }
.br2-app { width: 100%; height: 100%; display: flex; flex-direction: column; background: #0b1220; border-radius: 12px; overflow: hidden; }
.br2-top { height: 42px; flex: none; display: flex; align-items: center; gap: 10px; padding: 0 14px; border-bottom: 1px solid rgba(255,255,255,.08); }
.br2-av { width: 17px; height: 17px; border-radius: 50%; background: radial-gradient(circle at 35% 30%, #ff8a7a, #e0453a 60%, #8d1f18); flex: none; }
.br2-brand { font-size: 12.5px; color: #eef3fb; letter-spacing: .02em; }
.br2-tools-top { margin-left: auto; display: flex; gap: 6px; }
.br2-tb { font-size: 10px; color: rgba(238,243,251,.55); border: 1px solid rgba(255,255,255,.1); border-radius: 6px; padding: 3px 7px; white-space: nowrap; }
.br2-tb--br { animation: br2-act 10s cubic-bezier(.22,.8,.24,1) infinite both; }
@keyframes br2-act {
  0%, 9% { background: transparent; color: rgba(238,243,251,.55); border-color: rgba(255,255,255,.1); box-shadow: none; }
  11%, 17% { background: #4fc3f7; color: #04212f; border-color: transparent; box-shadow: 0 0 16px rgba(79,195,247,.65); }
  21%, 100% { background: transparent; color: rgba(238,243,251,.55); border-color: rgba(255,255,255,.1); box-shadow: none; }
}
.br2-body { flex: 1; display: flex; min-height: 0; }
.br2-chat { flex: 1; min-width: 0; padding: 14px; display: flex; flex-direction: column; gap: 8px; justify-content: flex-end; }
.br2-m { font-size: 11.5px; line-height: 1.5; padding: 7px 11px; border-radius: 9px; max-width: 82%; }
.br2-m--u { align-self: flex-end; background: #16283f; color: #eef3fb; border: 1px solid rgba(255,255,255,.08); }
.br2-m--a { align-self: flex-start; background: #f3f6fb; color: #121a26; }
.br2-staff { width: 166px; flex: none; border-left: 1px solid rgba(255,255,255,.08); padding: 12px 10px; display: flex; flex-direction: column; gap: 5px; }
.br2-staff-h { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 4px; }
.br2-staff-h b { font-size: 10px; color: #eef3fb; font-weight: 600; }
.br2-staff-h span { font-size: 8px; color: rgba(238,243,251,.35); letter-spacing: .14em; }
.br2-row { display: flex; align-items: center; gap: 6px; font-size: 9.5px; color: rgba(238,243,251,.6); }
.br2-row i { width: 5px; height: 5px; border-radius: 50%; background: rgba(255,255,255,.22); flex: none; }
.br2-row em { margin-left: auto; font-style: normal; color: rgba(238,243,251,.32); font-size: 9px; }
.br2-ready { margin-top: auto; text-align: center; font-size: 9.5px; color: rgba(238,243,251,.55); border: 1px solid rgba(255,255,255,.12); border-radius: 999px; padding: 4px 0; }
.br2-view { width: 0; flex: none; overflow: hidden; border-left: 1px solid rgba(255,255,255,.08); background: rgba(255,255,255,.015);
  display: flex; flex-direction: column; animation: br2-open 10s cubic-bezier(.22,.8,.24,1) infinite both; }
.br2-view > * { min-width: 290px; }
@keyframes br2-open {
  0%, 12% { width: 0; opacity: 0; }
  20%, 88% { width: 47%; opacity: 1; }
  96%, 100% { width: 0; opacity: 0; }
}
.br2-tools { height: 28px; flex: none; display: flex; align-items: center; justify-content: space-between; padding: 0 10px; border-bottom: 1px solid rgba(255,255,255,.07); font-size: 9px; color: rgba(238,243,251,.6); }
.br2-tools-l { color: #eef3fb; font-size: 9.5px; }
.br2-tools-r { display: flex; gap: 8px; }
.br2-tabs { height: 24px; flex: none; display: flex; align-items: center; gap: 6px; padding: 0 10px; }
.br2-tab { font-size: 9.5px; padding: 3px 9px; border-radius: 6px 6px 0 0; color: rgba(238,243,251,.5); }
.br2-tab--on { background: rgba(255,255,255,.06); color: #eef3fb; }
.br2-tabadd { font-size: 10px; color: rgba(238,243,251,.35); }
.br2-bar { height: 28px; flex: none; display: flex; align-items: center; gap: 6px; padding: 0 10px; border-bottom: 1px solid rgba(255,255,255,.07); }
.br2-nav { display: flex; gap: 4px; align-items: center; }
.br2-nav svg { width: 10px; height: 10px; fill: none; stroke: rgba(238,243,251,.45); stroke-width: 2; }
.br2-addr { flex: 1; min-width: 0; height: 19px; border-radius: 999px; background: rgba(255,255,255,.05); display: flex; align-items: center; padding: 0 9px; font-size: 9px; color: rgba(238,243,251,.62); }
.br2-url { display: inline-block; white-space: nowrap; overflow: hidden; clip-path: inset(0 100% 0 0); animation: br2-type 10s steps(16, end) infinite both; }
@keyframes br2-type { 0%, 22% { clip-path: inset(0 100% 0 0); } 42%, 100% { clip-path: inset(0 0 0 0); } }
.br2-go { font-size: 8.5px; color: #4fc3f7; border: 1px solid rgba(79,195,247,.4); border-radius: 6px; padding: 2px 7px; animation: br2-go 10s infinite both; }
@keyframes br2-go {
  0%, 43% { opacity: .45; background: transparent; color: #4fc3f7; }
  46%, 51% { opacity: 1; background: #4fc3f7; color: #04212f; border-color: transparent; }
  55%, 100% { opacity: .45; background: transparent; color: #4fc3f7; }
}
.br2-page { flex: 1; position: relative; padding: 12px; display: flex; flex-direction: column; gap: 9px; min-height: 0; }
.br2-load { height: 2px; flex: none; background: rgba(255,255,255,.07); border-radius: 2px; overflow: hidden; }
.br2-load i { display: block; height: 100%; width: 0; background: #4fc3f7; border-radius: 2px; animation: br2-load 10s linear infinite both; }
@keyframes br2-load { 0%, 44% { width: 0; } 56%, 60% { width: 100%; opacity: 1; } 62%, 100% { width: 100%; opacity: 0; } }
.br2-form { display: flex; flex-direction: column; gap: 7px; opacity: 0; animation: br2-formin 10s infinite both; }
@keyframes br2-formin { 0%, 54% { opacity: 0; transform: translateY(6px); } 62%, 100% { opacity: 1; transform: none; } }
.br2-fl { font-size: 9px; color: rgba(238,243,251,.48); }
.br2-fi { height: 24px; border-radius: 7px; border: 1px solid rgba(255,255,255,.12); background: rgba(255,255,255,.03); display: flex; align-items: center; padding: 0 9px; font-size: 9.5px; color: #eef3fb; }
.br2-typed { display: inline-block; clip-path: inset(0 100% 0 0); animation: br2-typed 10s steps(6, end) infinite both; }
@keyframes br2-typed { 0%, 64% { clip-path: inset(0 100% 0 0); } 74%, 100% { clip-path: inset(0 0 0 0); } }
.br2-caret { width: 1px; height: 11px; background: #4fc3f7; margin-left: 2px; animation: caret-blink 1s steps(1) infinite; }
.br2-fsub { align-self: flex-start; font-size: 9.5px; background: #4fc3f7; color: #04212f; border-radius: 7px; padding: 5px 12px; font-weight: 700; animation: br2-sub 10s infinite both; }
@keyframes br2-sub { 0%, 73% { transform: none; } 77%, 81% { transform: scale(.95); filter: brightness(1.25); } 85%, 100% { transform: none; filter: none; } }
.br2-ok { position: absolute; left: 12px; right: 12px; bottom: 12px; display: flex; align-items: center; gap: 6px; font-size: 9.5px; color: #6be3a0;
  background: rgba(107,227,160,.1); border: 1px solid rgba(107,227,160,.35); border-radius: 8px; padding: 6px 10px; opacity: 0; animation: br2-ok 10s infinite both; }
@keyframes br2-ok { 0%, 86% { opacity: 0; transform: translateY(6px); } 90%, 97% { opacity: 1; transform: none; } 99%, 100% { opacity: 0; } }
.br2-ok b { font-size: 10px; }

@media (max-width: 720px) {
  .br2-staff { display: none; }
  .br2-view { animation-name: br2-open-m; }
  .br2-tools-r span:nth-child(-n+2) { display: none; }
  .br2-m { font-size: 10.5px; }
}
@keyframes br2-open-m {
  0%, 12% { width: 0; opacity: 0; }
  20%, 88% { width: 88%; opacity: 1; }
  96%, 100% { width: 0; opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .br2-view { width: 47%; opacity: 1; animation: none; }
  .br2-tb--br, .br2-go, .br2-load i, .br2-form, .br2-fsub, .br2-ok { animation: none; }
  .br2-url, .br2-typed { clip-path: none; animation: none; }
  .br2-form { opacity: 1; transform: none; }
  .br2-ok { opacity: 1; transform: none; }
  .br2-load i { width: 100%; opacity: 0; }
}

/* ==========================================================================
   02 · 手下：主页面框架 + 右侧真员工台（六行阶段逐个点亮）+ 三条并行进度
   照素材 08-员工台-STAFF真界面.png 画，8s 循环
   ========================================================================== */
.art--team2 { padding: 0; }
.tm-app { width: 100%; height: 100%; display: flex; flex-direction: column; background: #0b1220; border-radius: 12px; overflow: hidden; }
.tm-top { height: 42px; flex: none; display: flex; align-items: center; gap: 10px; padding: 0 14px; border-bottom: 1px solid rgba(255,255,255,.08); }
.tm-av { width: 17px; height: 17px; border-radius: 50%; background: radial-gradient(circle at 35% 30%, #ff8a7a, #e0453a 60%, #8d1f18); flex: none; }
.tm-brand { font-size: 12.5px; color: #eef3fb; }
.tm-tb-wrap { margin-left: auto; display: flex; gap: 6px; }
.tm-tb { font-size: 10px; color: rgba(238,243,251,.5); border: 1px solid rgba(255,255,255,.1); border-radius: 6px; padding: 3px 7px; }
.tm-body { flex: 1; display: flex; min-height: 0; }
.tm-chat { flex: 1; min-width: 0; padding: 14px; display: flex; flex-direction: column; gap: 8px; justify-content: flex-end; }
.tm-m { font-size: 11.5px; line-height: 1.5; padding: 7px 11px; border-radius: 9px; max-width: 86%; }
.tm-m--u { align-self: flex-end; background: #16283f; color: #eef3fb; border: 1px solid rgba(255,255,255,.08); }
.tm-m--a { align-self: flex-start; background: #f3f6fb; color: #121a26; }
.tm-tool { display: block; margin-top: 4px; font-size: 9.5px; color: #2b6f8f; font-family: ui-monospace, Consolas, monospace; }
.tm-lanes { display: flex; flex-direction: column; gap: 7px; margin-top: 4px; }
.tm-lane { display: flex; align-items: center; gap: 9px; font-size: 9.5px; color: rgba(238,243,251,.55); }
.tm-lane > span { width: 42px; flex: none; }
.tm-bar { flex: 1; height: 5px; border-radius: 3px; background: rgba(255,255,255,.09); overflow: hidden; display: block; }
.tm-bar > b { display: block; height: 100%; width: 0; border-radius: 3px; background: linear-gradient(90deg,#2f9fd0,#4fc3f7); }
.tm-ba { animation: tm-fill 8s linear infinite both; }
.tm-bb { animation: tm-fill 8s linear infinite both .35s; }
.tm-bc { animation: tm-fill 8s linear infinite both .7s; }
@keyframes tm-fill { 0%, 20% { width: 0; } 52%, 92% { width: 100%; } 98%, 100% { width: 0; } }
.tm-staff { width: 178px; flex: none; border-left: 1px solid rgba(255,255,255,.08); padding: 12px 11px; display: flex; flex-direction: column; gap: 5px; }
.tm-staff-h { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 5px; }
.tm-staff-h b { font-size: 10px; color: #eef3fb; font-weight: 600; }
.tm-staff-h span { font-size: 8px; color: rgba(238,243,251,.32); letter-spacing: .14em; }
.tm-row { display: flex; align-items: center; gap: 7px; font-size: 9.5px; color: rgba(238,243,251,.62); }
.tm-row i { width: 5px; height: 5px; border-radius: 50%; background: rgba(255,255,255,.22); flex: none; }
.tm-row em { margin-left: auto; font-style: normal; position: relative; height: 12px; width: 52px; text-align: right; }
.tm-row em u, .tm-row em s { position: absolute; right: 0; top: 0; text-decoration: none; font-style: normal; font-size: 9px; }
.tm-row em u { color: rgba(238,243,251,.3); }
.tm-row em s { color: #4fc3f7; opacity: 0; }
.tm-r1 { animation: tm-on 8s infinite both; }
.tm-r2 { animation: tm-on 8s infinite both .5s; }
.tm-r3 { animation: tm-on 8s infinite both 1.0s; }
.tm-r4 { animation: tm-on 8s infinite both 1.5s; }
.tm-r5 { animation: tm-on 8s infinite both 3.6s; }
.tm-r6 { animation: tm-on 8s infinite both 4.4s; }
@keyframes tm-on {
  0%, 4% { color: rgba(238,243,251,.62); }
  8%, 92% { color: #eef3fb; }
  96%, 100% { color: rgba(238,243,251,.62); }
}
.tm-row i { animation: tm-dot 8s infinite both; }
.tm-r2 i { animation-delay: .5s; } .tm-r3 i { animation-delay: 1s; } .tm-r4 i { animation-delay: 1.5s; }
.tm-r5 i { animation-delay: 3.6s; } .tm-r6 i { animation-delay: 4.4s; }
@keyframes tm-dot { 0%, 4% { background: rgba(255,255,255,.22); box-shadow: none; } 8%, 92% { background: #4fc3f7; box-shadow: 0 0 8px rgba(79,195,247,.8); } 96%, 100% { background: rgba(255,255,255,.22); box-shadow: none; } }
.tm-row em u { animation: tm-out 8s infinite both; }
.tm-r2 em u { animation-delay: .5s; } .tm-r3 em u { animation-delay: 1s; } .tm-r4 em u { animation-delay: 1.5s; }
.tm-r5 em u { animation-delay: 3.6s; } .tm-r6 em u { animation-delay: 4.4s; }
@keyframes tm-out { 0%, 4% { opacity: 1; } 8%, 92% { opacity: 0; } 96%, 100% { opacity: 1; } }
.tm-row em s { animation: tm-in 8s infinite both; }
.tm-r2 em s { animation-delay: .5s; } .tm-r3 em s { animation-delay: 1s; } .tm-r4 em s { animation-delay: 1.5s; }
.tm-r5 em s { animation-delay: 3.6s; } .tm-r6 em s { animation-delay: 4.4s; }
@keyframes tm-in { 0%, 5% { opacity: 0; transform: translateY(3px); } 9%, 92% { opacity: 1; transform: none; } 96%, 100% { opacity: 0; } }
.tm-ready { margin-top: auto; position: relative; height: 22px; font-size: 9.5px; border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12); animation: tm-ready 8s infinite both; }
.tm-ready u, .tm-ready s { position: absolute; inset: 0; display: grid; place-items: center; text-decoration: none; font-style: normal; }
.tm-ready s { opacity: 0; animation: tm-in 8s infinite both; animation-delay: 4.4s; }
.tm-ready u { animation: tm-out 8s infinite both; animation-delay: 4.4s; }
@keyframes tm-ready {
  0%, 50% { color: rgba(238,243,251,.55); border-color: rgba(255,255,255,.12); background: transparent; }
  56%, 90% { color: #062033; border-color: transparent; background: #6be3a0; font-weight: 700; }
  96%, 100% { color: rgba(238,243,251,.55); border-color: rgba(255,255,255,.12); background: transparent; }
}
@media (max-width: 720px) {
  .tm-staff { width: 132px; }
  .tm-chat { padding: 10px; }
  .tm-m { font-size: 10.5px; max-width: 92%; }
  .tm-lane > span { width: 34px; }
}
@media (prefers-reduced-motion: reduce) {
  .tm-ba, .tm-bb, .tm-bc, .tm-row, .tm-row i, .tm-row em u, .tm-row em s, .tm-ready { animation: none; }
  .tm-ba, .tm-bb, .tm-bc { width: 100%; }
  .tm-row em u { opacity: 0; }
  .tm-row em s, .tm-row { color: #eef3fb; }
  .tm-row em s { opacity: 1; transform: none; }
  .tm-row i { background: #4fc3f7; }
  .tm-ready { color: #062033; background: #6be3a0; border-color: transparent; }
}

/* ==========================================================================
   03 · 电脑：真实软件窗口（文件树 + 编辑器 + 保存）→ 光标移过去点一下 → 已保存
   照素材 06-工作台-IDE 的画法，8s 循环
   ========================================================================== */
.art--pc2 { padding: 14px 16px; display: flex; flex-direction: column; gap: 12px; }
.pc-win { position: relative; flex: 1; min-height: 0; display: flex; flex-direction: column;
  background: #0d1522; border: 1px solid rgba(255,255,255,.09); border-radius: 10px; overflow: hidden; }
.pc-bar { height: 28px; flex: none; display: flex; align-items: center; gap: 5px; padding: 0 10px; border-bottom: 1px solid rgba(255,255,255,.07); }
.pc-dot { width: 7px; height: 7px; border-radius: 50%; background: rgba(255,255,255,.16); }
.pc-name { margin-left: 7px; font-size: 9.5px; color: rgba(238,243,251,.5); }
.pc-tools { height: 30px; flex: none; display: flex; align-items: center; gap: 5px; padding: 0 10px; border-bottom: 1px solid rgba(255,255,255,.06); }
.pc-btn { font-size: 9px; color: rgba(238,243,251,.6); border: 1px solid rgba(255,255,255,.12); border-radius: 5px; padding: 3px 8px; }
.pc-btn--save { animation: pc-save 8s infinite both; }
@keyframes pc-save {
  0%, 58% { background: transparent; color: rgba(238,243,251,.6); border-color: rgba(255,255,255,.12); }
  62%, 72% { background: #4fc3f7; color: #04212f; border-color: transparent; box-shadow: 0 0 14px rgba(79,195,247,.7); }
  80%, 100% { background: transparent; color: rgba(238,243,251,.6); border-color: rgba(255,255,255,.12); }
}
.pc-auto { margin-left: auto; font-size: 8.5px; color: rgba(238,243,251,.32); }
.pc-split { flex: 1; display: flex; min-height: 0; }
.pc-tree { width: 27%; flex: none; border-right: 1px solid rgba(255,255,255,.06); padding: 8px 9px; display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.pc-tree span { font-size: 8.5px; color: rgba(238,243,251,.42); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pc-tree-h { font-size: 7.5px; letter-spacing: .14em; color: rgba(238,243,251,.25); margin-bottom: 3px; }
.pc-on { color: #4fc3f7 !important; }
.pc-doc { flex: 1; min-width: 0; padding: 12px 14px; display: flex; flex-direction: column; gap: 7px; }
.pc-line { height: 6px; border-radius: 3px; background: rgba(255,255,255,.07); }
.pc-gap { height: 8px; }
/* 光标：从右下角移到「保存」上，按一下 */
.pc-cursor { position: absolute; left: 58%; top: 74%; width: 12px; height: 16px; z-index: 3; opacity: 0;
  background: #fff; clip-path: polygon(0 0, 0 100%, 34% 74%, 62% 96%, 78% 84%, 52% 62%, 100% 58%);
  filter: drop-shadow(0 1px 2px rgba(0,0,0,.7)); animation: pc-move 8s cubic-bezier(.4,0,.3,1) infinite both; }
@keyframes pc-move {
  0%, 12% { left: 64%; top: 74%; opacity: 0; transform: scale(1); }
  18%, 30% { opacity: 1; }
  52%, 60% { left: 24px; top: 42px; }
  63% { transform: scale(.82); }
  67%, 88% { transform: scale(1); left: 24px; top: 42px; opacity: 1; }
  94%, 100% { left: 24px; top: 42px; opacity: 0; }
}
.pc-toast { position: absolute; right: 14px; bottom: 12px; display: flex; align-items: center; gap: 5px;
  font-size: 9.5px; color: #6be3a0; background: rgba(107,227,160,.1); border: 1px solid rgba(107,227,160,.35);
  border-radius: 7px; padding: 4px 9px; opacity: 0; animation: pc-toast 8s infinite both; }
@keyframes pc-toast {
  0%, 66% { opacity: 0; transform: translateY(5px); }
  71%, 90% { opacity: 1; transform: none; }
  96%, 100% { opacity: 0; transform: translateY(5px); }
}
/* 三步流程 */
.pc-steps { flex: none; display: flex; align-items: center; justify-content: center; gap: 8px; height: 22px; }
.pc-st { font-size: 9.5px; color: rgba(238,243,251,.35); letter-spacing: .06em; }
.pc-st1 { animation: pc-step 8s infinite both; }
.pc-st2 { animation: pc-step 8s infinite both 1.4s; }
.pc-st3 { animation: pc-step 8s infinite both 3.2s; }
@keyframes pc-step {
  0%, 4% { color: rgba(238,243,251,.35); }
  10%, 92% { color: #4fc3f7; }
  98%, 100% { color: rgba(238,243,251,.35); }
}
.pc-ar { width: 16px; height: 1px; background: rgba(255,255,255,.12); position: relative; }
.pc-ar::after { content: ""; position: absolute; right: 0; top: -2px; width: 4px; height: 4px; border-right: 1px solid rgba(255,255,255,.25); border-bottom: 1px solid rgba(255,255,255,.25); transform: rotate(-45deg); }
.pc-ar1 { animation: pc-ar 8s infinite both; }
.pc-ar2 { animation: pc-ar 8s infinite both 1.4s; }
@keyframes pc-ar { 0%, 4% { opacity: .3; } 10%, 92% { opacity: 1; } 98%, 100% { opacity: .3; } }
@media (max-width: 720px) {
  .pc-tree { width: 32%; }
  .pc-doc { padding: 9px 10px; }
  .pc-btn { font-size: 8px; padding: 2px 6px; }
}
@media (prefers-reduced-motion: reduce) {
  .pc-btn--save, .pc-toast, .pc-cursor, .pc-st1, .pc-st2, .pc-st3, .pc-ar1, .pc-ar2 { animation: none; }
  .pc-btn--save { background: #4fc3f7; color: #04212f; }
  .pc-toast { opacity: 1; transform: none; }
  .pc-cursor { opacity: 1; left: 24px; top: 42px; }
  .pc-st1, .pc-st2, .pc-st3 { color: #4fc3f7; }
}

/* ==========================================================================
   06 · 记忆：主界面 + 记忆命中标签，句子逐条出现
   ========================================================================== */
.art--mem2 { padding: 0; }
.mm-app { width: 100%; height: 100%; display: flex; flex-direction: column; background: #0b1220; border-radius: 12px; overflow: hidden; }
.mm-top { height: 40px; flex: none; display: flex; align-items: center; gap: 9px; padding: 0 14px; border-bottom: 1px solid rgba(255,255,255,.08); }
.mm-av { width: 16px; height: 16px; border-radius: 50%; background: radial-gradient(circle at 35% 30%, #ff8a7a, #e0453a 60%, #8d1f18); }
.mm-top b { font-size: 12px; color: #eef3fb; }
.mm-tb { margin-left: auto; font-size: 9px; color: rgba(238,243,251,.5); border: 1px solid rgba(255,255,255,.1); border-radius: 5px; padding: 2px 7px; }
.mm-tb + .mm-tb { margin-left: 5px; }
.mm-body { flex: 1; min-height: 0; display: flex; }
.mm-chat { flex: 1; padding: 16px; display: flex; flex-direction: column; gap: 10px; justify-content: flex-end; }
.mm-m { font-size: 11.5px; line-height: 1.55; padding: 8px 12px; border-radius: 10px; max-width: 80%; opacity: 0; }
.mm-m--u { align-self: flex-end; background: #16283f; color: #eef3fb; border: 1px solid rgba(255,255,255,.08); }
.mm-m--a { align-self: flex-start; background: #f3f6fb; color: #121a26; }
.mm-memo { align-self: center; font-size: 9.5px; color: #4fc3f7; border: 1px dashed rgba(79,195,247,.45);
  background: rgba(79,195,247,.07); border-radius: 999px; padding: 5px 13px; opacity: 0; }
.mm-memo b { color: rgba(238,243,251,.65); font-weight: 600; margin-right: 5px; }
.mm-u1 { animation: mm-1 9s infinite both; }
.mm-memo1 { animation: mm-2 9s infinite both; }
.mm-a1 { animation: mm-3 9s infinite both; }
.mm-u2 { animation: mm-4 9s infinite both; }
.mm-a2 { animation: mm-5 9s infinite both; }
@keyframes mm-1 { 0%, 2% { opacity: 0; transform: translateY(6px); } 8%, 92% { opacity: 1; transform: none; } 98%, 100% { opacity: 0; } }
@keyframes mm-2 { 0%, 14% { opacity: 0; transform: scale(.94); } 20%, 92% { opacity: 1; transform: none; } 98%, 100% { opacity: 0; } }
@keyframes mm-3 { 0%, 22% { opacity: 0; transform: translateY(6px); } 30%, 92% { opacity: 1; transform: none; } 98%, 100% { opacity: 0; } }
@keyframes mm-4 { 0%, 48% { opacity: 0; transform: translateY(6px); } 56%, 92% { opacity: 1; transform: none; } 98%, 100% { opacity: 0; } }
@keyframes mm-5 { 0%, 62% { opacity: 0; transform: translateY(6px); } 70%, 92% { opacity: 1; transform: none; } 98%, 100% { opacity: 0; } }
.mm-in { flex: none; align-self: stretch; height: 30px; border-radius: 9px; border: 1px solid rgba(255,255,255,.1);
  background: rgba(255,255,255,.03); font-size: 10px; color: rgba(238,243,251,.35);
  display: flex; align-items: center; padding: 0 12px; opacity: 0; animation: mm-5 9s infinite both; }
.mm-tip { flex: none; height: 26px; display: flex; align-items: center; gap: 6px; padding: 0 14px;
  font-size: 9px; color: rgba(238,243,251,.4); border-top: 1px solid rgba(255,255,255,.06); }
.mm-dot { width: 5px; height: 5px; border-radius: 50%; background: #4fc3f7; box-shadow: 0 0 8px rgba(79,195,247,.8); animation: mm-dot 9s infinite both; }
@keyframes mm-dot { 0%, 12% { opacity: .2; } 20%, 92% { opacity: 1; } 98%, 100% { opacity: .2; } }
@media (max-width: 720px) {
  .mm-m { font-size: 10.5px; max-width: 92%; }
  .mm-memo { font-size: 8.5px; padding: 4px 10px; }
}
@media (prefers-reduced-motion: reduce) {
  .mm-m, .mm-memo, .mm-dot { animation: none; opacity: 1; transform: none; }
}

/* ==========================================================================
   07 · 定时：已定活儿列表，到点逐条打上「已提醒/已汇报/日报已发」
   ========================================================================== */
.art--sch2 { padding: 0; }
.sc-app { width: 100%; height: 100%; display: flex; flex-direction: column; background: #0b1220; border-radius: 12px; overflow: hidden; }
.sc-top { height: 40px; flex: none; display: flex; align-items: center; gap: 9px; padding: 0 14px; border-bottom: 1px solid rgba(255,255,255,.08); }
.sc-av { width: 16px; height: 16px; border-radius: 50%; background: radial-gradient(circle at 35% 30%, #ff8a7a, #e0453a 60%, #8d1f18); }
.sc-top b { font-size: 12px; color: #eef3fb; }
.sc-tb { margin-left: auto; font-size: 9px; color: rgba(238,243,251,.5); border: 1px solid rgba(255,255,255,.1); border-radius: 5px; padding: 2px 7px; }
.sc-body { flex: 1; padding: 16px 18px; display: flex; flex-direction: column; gap: 9px; min-height: 0; }
.sc-head { font-size: 10px; color: rgba(238,243,251,.4); letter-spacing: .1em; margin-bottom: 2px; }
.sc-item { display: flex; align-items: center; gap: 12px; padding: 11px 14px; border-radius: 10px;
  border: 1px solid rgba(255,255,255,.08); background: rgba(255,255,255,.02); opacity: 0; }
.sc-time { font-size: 12px; color: #4fc3f7; font-variant-numeric: tabular-nums; width: 46px; flex: none; }
.sc-t { font-size: 11.5px; color: #eef3fb; }
.sc-item em { margin-left: auto; font-style: normal; font-size: 9.5px; color: #6be3a0; opacity: 0; }
.sc-i1 { animation: sc-in 8s infinite both; }
.sc-i2 { animation: sc-in 8s infinite both .1s; }
.sc-i3 { animation: sc-in 8s infinite both .2s; }
@keyframes sc-in { 0%, 3% { opacity: 0; transform: translateY(7px); } 12%, 94% { opacity: 1; transform: none; } 99%, 100% { opacity: 0; } }
.sc-i1 em { animation: sc-ok 8s infinite both; }
.sc-i2 em { animation: sc-ok 8s infinite both 1.6s; }
.sc-i3 em { animation: sc-ok 8s infinite both 3.2s; }
@keyframes sc-ok { 0%, 8% { opacity: 0; } 16%, 94% { opacity: 1; } 99%, 100% { opacity: 0; } }
.sc-foot { margin-top: auto; display: flex; align-items: center; gap: 7px; font-size: 9.5px; color: rgba(238,243,251,.42); }
.sc-pulse { width: 6px; height: 6px; border-radius: 50%; background: #4fc3f7; animation: sc-pulse 2s ease-in-out infinite; }
@keyframes sc-pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(79,195,247,.5); } 50% { box-shadow: 0 0 0 6px rgba(79,195,247,0); } }
@media (max-width: 720px) {
  .sc-body { padding: 12px; }
  .sc-item { padding: 9px 11px; gap: 8px; }
  .sc-t { font-size: 10.5px; }
  .sc-time { font-size: 11px; width: 40px; }
}
@media (prefers-reduced-motion: reduce) {
  .sc-item, .sc-item em, .sc-pulse { animation: none; opacity: 1; transform: none; }
}

/* ==========================================================================
   11 · 工作台：文件树 / 编辑器 / 侧栏对话，选中文件 → 新行出现 → 运行 → 通过
   ========================================================================== */
.art--ws2 { padding: 0; }
.ws-app { width: 100%; height: 100%; display: flex; flex-direction: column; background: #0b1220; border-radius: 12px; overflow: hidden; }
.ws-top { height: 38px; flex: none; display: flex; align-items: center; gap: 10px; padding: 0 14px; border-bottom: 1px solid rgba(255,255,255,.08); }
.ws-brand { font-size: 10px; letter-spacing: .12em; color: rgba(238,243,251,.55); }
.ws-tools { margin-left: auto; display: flex; gap: 6px; }
.ws-tb { font-size: 9px; color: rgba(238,243,251,.5); border: 1px solid rgba(255,255,255,.1); border-radius: 5px; padding: 3px 8px; }
.ws-run { animation: ws-run 9s infinite both; }
@keyframes ws-run {
  0%, 46% { background: transparent; color: rgba(238,243,251,.5); border-color: rgba(255,255,255,.1); }
  50%, 62% { background: #6be3a0; color: #06271a; border-color: transparent; box-shadow: 0 0 14px rgba(107,227,160,.6); }
  70%, 100% { background: transparent; color: rgba(238,243,251,.5); border-color: rgba(255,255,255,.1); }
}
.ws-body { flex: 1; display: flex; min-height: 0; }
.ws-tree { width: 22%; flex: none; border-right: 1px solid rgba(255,255,255,.06); padding: 9px; display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.ws-tree-h { font-size: 7.5px; letter-spacing: .14em; color: rgba(238,243,251,.25); margin-bottom: 3px; }
.ws-file { font-size: 9px; color: rgba(238,243,251,.45); padding: 3px 5px; border-radius: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ws-on { animation: ws-sel 9s infinite both; }
@keyframes ws-sel {
  0%, 6% { background: transparent; color: rgba(238,243,251,.45); }
  12%, 92% { background: rgba(79,195,247,.14); color: #4fc3f7; }
  98%, 100% { background: transparent; color: rgba(238,243,251,.45); }
}
.ws-editor { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.ws-tabs { height: 26px; flex: none; display: flex; align-items: center; gap: 6px; padding: 0 10px; border-bottom: 1px solid rgba(255,255,255,.06); }
.ws-tab { font-size: 9px; padding: 3px 9px; border-radius: 5px 5px 0 0; color: rgba(238,243,251,.5); }
.ws-tab--on { background: rgba(255,255,255,.06); color: #eef3fb; }
.ws-tabadd { font-size: 9px; color: rgba(238,243,251,.3); }
.ws-code { flex: 1; padding: 10px 12px; display: flex; flex-direction: column; gap: 7px; min-height: 0; }
.ws-ln { display: flex; align-items: center; gap: 9px; }
.ws-ln b { font-size: 8px; color: rgba(238,243,251,.22); font-weight: 400; width: 12px; text-align: right; flex: none; font-variant-numeric: tabular-nums; }
.ws-ln i { display: block; height: 5px; border-radius: 3px; background: rgba(255,255,255,.09); }
.ws-ln--new i { background: rgba(79,195,247,.5); animation: ws-new 9s infinite both; }
@keyframes ws-new { 0%, 18% { opacity: 0; transform: scaleX(.6); transform-origin: left; } 30%, 92% { opacity: 1; transform: none; } 98%, 100% { opacity: 0; } }
.ws-out { flex: none; height: 26px; display: flex; align-items: center; padding: 0 12px; border-top: 1px solid rgba(255,255,255,.06); }
.ws-ok { font-size: 9px; color: #6be3a0; opacity: 0; animation: ws-ok 9s infinite both; }
@keyframes ws-ok { 0%, 64% { opacity: 0; transform: translateY(4px); } 70%, 92% { opacity: 1; transform: none; } 98%, 100% { opacity: 0; } }
.ws-side { width: 24%; flex: none; border-left: 1px solid rgba(255,255,255,.06); padding: 9px; display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.ws-side-h { font-size: 8px; letter-spacing: .12em; color: rgba(238,243,251,.28); }
.ws-smsg { font-size: 9px; line-height: 1.5; padding: 6px 8px; border-radius: 7px; background: #16283f; color: #eef3fb; align-self: flex-end; max-width: 96%; }
.ws-smsg--a { background: #f3f6fb; color: #121a26; align-self: flex-start; }
@media (max-width: 720px) {
  .ws-tree { width: 26%; }
  .ws-side { display: none; }
  .ws-file { font-size: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  .ws-run, .ws-on, .ws-ln--new i, .ws-ok { animation: none; }
  .ws-ok { opacity: 1; transform: none; }
  .ws-ln--new i { opacity: 1; transform: none; }
}

/* ==========================================================================
   12 · 待办：任务卡逐条打勾 + 进度条走满
   ========================================================================== */
.art--td2 { padding: 0; display: flex; flex-direction: column; justify-content: center; }
.td-app { width: 100%; padding: 18px 20px; display: flex; flex-direction: column; gap: 12px; }
.td-card { background: rgba(255,255,255,.025); border: 1px solid rgba(255,255,255,.09); border-radius: 12px; padding: 14px 16px; display: flex; flex-direction: column; gap: 9px; }
.td-head { display: flex; align-items: baseline; justify-content: space-between; }
.td-head b { font-size: 11px; color: #eef3fb; }
.td-head span { font-size: 8.5px; color: rgba(238,243,251,.35); letter-spacing: .1em; }
.td-row { display: flex; align-items: center; gap: 9px; font-size: 11px; color: rgba(238,243,251,.75); }
.td-box { width: 12px; height: 12px; flex: none; border: 1.4px solid rgba(255,255,255,.25); border-radius: 4px; position: relative; }
.td-row em { margin-left: auto; font-style: normal; font-size: 8.5px; color: rgba(238,243,251,.32); }
.td-r1 .td-box { animation: td-tick1 8s infinite both; }
.td-r2 .td-box { animation: td-tick2 8s infinite both; }
.td-r3 .td-box { animation: td-tick3 8s infinite both; }
@keyframes td-tick1 { 0%, 8% { background: transparent; border-color: rgba(255,255,255,.25); } 14%, 92% { background: #6be3a0; border-color: #6be3a0; } 98%, 100% { background: transparent; border-color: rgba(255,255,255,.25); } }
@keyframes td-tick2 { 0%, 24% { background: transparent; border-color: rgba(255,255,255,.25); } 30%, 92% { background: #6be3a0; border-color: #6be3a0; } 98%, 100% { background: transparent; border-color: rgba(255,255,255,.25); } }
@keyframes td-tick3 { 0%, 60% { background: transparent; border-color: rgba(255,255,255,.25); } 66%, 92% { background: #6be3a0; border-color: #6be3a0; } 98%, 100% { background: transparent; border-color: rgba(255,255,255,.25); } }
.td-r1 .td-t, .td-r2 .td-t { animation: td-done 8s infinite both; }
.td-r2 .td-t { animation-delay: .6s; }
@keyframes td-done { 0%, 18% { color: rgba(238,243,251,.75); } 24%, 92% { color: rgba(238,243,251,.35); text-decoration: line-through; } 98%, 100% { color: rgba(238,243,251,.75); text-decoration: none; } }
.td-r1 em { animation: td-em 8s infinite both; }
.td-r2 em { animation: td-em 8s infinite both .6s; }
.td-r3 em { animation: td-em 8s infinite both; }
@keyframes td-em { 0%, 10% { color: rgba(238,243,251,.32); } 16%, 92% { color: #6be3a0; } 98%, 100% { color: rgba(238,243,251,.32); } }
.td-bar { height: 5px; border-radius: 3px; background: rgba(255,255,255,.08); overflow: hidden; margin-top: 3px; }
.td-bar i { display: block; height: 100%; width: 0; border-radius: 3px; background: linear-gradient(90deg,#2f9fd0,#4fc3f7); animation: td-fill 8s linear infinite both; }
@keyframes td-fill { 0%, 10% { width: 8%; } 40% { width: 66%; } 70%, 92% { width: 100%; } 98%, 100% { width: 8%; } }
.td-input { display: flex; align-items: center; gap: 9px; background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.09);
  border-radius: 10px; padding: 9px 12px; }
.td-plus { font-size: 12px; color: rgba(238,243,251,.35); }
.td-ph { flex: 1; font-size: 10px; color: rgba(238,243,251,.3); }
.td-send { width: 22px; height: 22px; border-radius: 6px; background: #4fc3f7; color: #04212f; font-size: 11px; display: grid; place-items: center; font-weight: 700; }
@media (max-width: 720px) {
  .td-app { padding: 12px; }
  .td-row { font-size: 10px; }
  .td-card { padding: 11px 12px; }
}
@media (prefers-reduced-motion: reduce) {
  .td-r1 .td-box, .td-r2 .td-box, .td-r3 .td-box, .td-r1 .td-t, .td-r2 .td-t, .td-r1 em, .td-r2 em, .td-r3 em, .td-bar i { animation: none; }
  .td-r1 .td-box, .td-r2 .td-box { background: #6be3a0; border-color: #6be3a0; }
  .td-bar i { width: 100%; }
}

/* 02 段：派完活之后还能接着接话（和别家最大的区别） */
.tm-ask2, .tm-ans2 { opacity: 0; }
.tm-ask2 { animation: tm-ask2 8s infinite both; }
.tm-ans2 { animation: tm-ans2 8s infinite both; }
@keyframes tm-ask2 { 0%, 40% { opacity: 0; transform: translateY(6px); } 48%, 92% { opacity: 1; transform: none; } 98%, 100% { opacity: 0; } }
@keyframes tm-ans2 { 0%, 52% { opacity: 0; transform: translateY(6px); } 60%, 92% { opacity: 1; transform: none; } 98%, 100% { opacity: 0; } }
.tm-ask2, .tm-ans2 { opacity: 1; }
@media (prefers-reduced-motion: reduce) { .tm-ask2, .tm-ans2 { animation: none; opacity: 1; transform: none; } }

/* ==========================================================================
   02 · 会接着说：他主动连续汇报，不是问一句答一句
   ========================================================================== */
.art--tk2 { padding: 0; }
.tk-app { width: 100%; height: 100%; display: flex; flex-direction: column; background: #0b1220; border-radius: 12px; overflow: hidden; }
.tk-top { height: 44px; flex: none; display: flex; align-items: center; gap: 10px; padding: 0 14px; border-bottom: 1px solid rgba(255,255,255,.08); }
.tk-av { width: 17px; height: 17px; border-radius: 50%; flex: none; background: radial-gradient(circle at 35% 30%, #ff8a7a, #e0453a 60%, #8d1f18); }
.tk-brand { font-size: 12.5px; color: #eef3fb; }
.tk-live { margin-left: auto; display: flex; align-items: center; gap: 6px; font-size: 9.5px; color: #4fc3f7;
  border: 1px solid rgba(79,195,247,.35); border-radius: 999px; padding: 3px 9px; background: rgba(79,195,247,.08); }
.tk-live i { width: 5px; height: 5px; border-radius: 50%; background: #4fc3f7; animation: tk-live 1.4s ease-in-out infinite; }
@keyframes tk-live { 0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(79,195,247,.6); } 50% { opacity: .6; box-shadow: 0 0 0 5px rgba(79,195,247,0); } }
.tk-wave { display: flex; align-items: flex-end; gap: 3px; height: 16px; }
.tk-wave i { width: 2.5px; border-radius: 2px; background: #4fc3f7; height: 40%; animation: tk-bar .8s ease-in-out infinite alternate; }
.tk-wave i:nth-child(1) { height: 30%; animation-delay: -.2s; }
.tk-wave i:nth-child(2) { height: 62%; animation-delay: -.4s; }
.tk-wave i:nth-child(3) { height: 88%; animation-delay: -.1s; }
.tk-wave i:nth-child(4) { height: 100%; animation-delay: -.3s; }
.tk-wave i:nth-child(5) { height: 74%; animation-delay: -.5s; }
.tk-wave i:nth-child(6) { height: 48%; animation-delay: -.15s; }
.tk-wave i:nth-child(7) { height: 32%; animation-delay: -.35s; }
@keyframes tk-bar { 0% { transform: scaleY(.35); } 100% { transform: scaleY(1); } }
.tk-body { flex: 1; min-height: 0; padding: 16px 18px; display: flex; flex-direction: column; gap: 10px; justify-content: flex-end; }
.tk-m { align-self: flex-start; background: #f3f6fb; color: #121a26; font-size: 11.5px; line-height: 1.55;
  padding: 8px 12px; border-radius: 10px; max-width: 82%; opacity: 0; }
.tk-u { align-self: flex-end; background: #16283f; color: #eef3fb; font-size: 11.5px; line-height: 1.5;
  padding: 8px 12px; border-radius: 10px; border: 1px solid rgba(255,255,255,.08); opacity: 0; }
.tk-m1 { animation: tk-1 9s infinite both; }
.tk-m2 { animation: tk-2 9s infinite both; }
.tk-m3 { animation: tk-3 9s infinite both; }
.tk-u1 { animation: tk-4 9s infinite both; }
@keyframes tk-1 { 0%, 6% { opacity: 0; transform: translateY(7px); } 14%, 94% { opacity: 1; transform: none; } 99%, 100% { opacity: 0; } }
@keyframes tk-2 { 0%, 24% { opacity: 0; transform: translateY(7px); } 32%, 94% { opacity: 1; transform: none; } 99%, 100% { opacity: 0; } }
@keyframes tk-3 { 0%, 44% { opacity: 0; transform: translateY(7px); } 52%, 94% { opacity: 1; transform: none; } 99%, 100% { opacity: 0; } }
@keyframes tk-4 { 0%, 70% { opacity: 0; transform: translateY(7px); } 78%, 94% { opacity: 1; transform: none; } 99%, 100% { opacity: 0; } }
.tk-foot { flex: none; height: 28px; display: flex; align-items: center; gap: 7px; padding: 0 14px;
  border-top: 1px solid rgba(255,255,255,.06); font-size: 9px; color: rgba(238,243,251,.38); }
.tk-dot { width: 5px; height: 5px; border-radius: 50%; background: #4fc3f7; }
@media (max-width: 720px) {
  .tk-m, .tk-u { font-size: 10.5px; max-width: 92%; }
  .tk-wave { display: none; }
  .tk-body { padding: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  .tk-m1, .tk-m2, .tk-m3, .tk-u1, .tk-live i, .tk-wave i { animation: none; }
  .tk-m1, .tk-m2, .tk-m3, .tk-u1 { opacity: 1; transform: none; }
}

/* ==========================================================================
   08 · 灵魂：四层记忆逐层亮起 → 汇成一句"我懂你"
   ========================================================================== */
.art--sl2 { padding: 18px; display: flex; align-items: stretch; }
.sl-app { width: 100%; display: flex; flex-direction: column; gap: 10px; }
.sl-head { display: flex; align-items: baseline; justify-content: space-between; }
.sl-head b { font-size: 12px; color: #eef3fb; letter-spacing: .06em; }
.sl-head span { font-size: 9px; color: rgba(238,243,251,.35); letter-spacing: .1em; }
.sl-layers { display: flex; flex-direction: column; gap: 7px; }
.sl-layer { display: flex; align-items: baseline; gap: 12px; padding: 10px 13px; border-radius: 9px;
  border: 1px solid rgba(255,255,255,.08); background: rgba(255,255,255,.02); opacity: .35; }
.sl-layer em { font-style: normal; font-size: 9.5px; letter-spacing: .06em; color: #4fc3f7; width: 82px; flex: none; }
.sl-layer span { font-size: 11px; color: rgba(238,243,251,.75); line-height: 1.5; }
.sl-l1 { animation: sl-1 9s infinite both; }
.sl-l2 { animation: sl-2 9s infinite both; }
.sl-l3 { animation: sl-3 9s infinite both; }
.sl-l4 { animation: sl-4 9s infinite both; }
@keyframes sl-1 { 0%, 4% { opacity: .35; border-color: rgba(255,255,255,.08); } 10%, 94% { opacity: 1; border-color: rgba(79,195,247,.35); } 99%, 100% { opacity: .35; border-color: rgba(255,255,255,.08); } }
@keyframes sl-2 { 0%, 14% { opacity: .35; border-color: rgba(255,255,255,.08); } 20%, 94% { opacity: 1; border-color: rgba(79,195,247,.28); } 99%, 100% { opacity: .35; border-color: rgba(255,255,255,.08); } }
@keyframes sl-3 { 0%, 24% { opacity: .35; border-color: rgba(255,255,255,.08); } 30%, 94% { opacity: 1; border-color: rgba(79,195,247,.24); } 99%, 100% { opacity: .35; border-color: rgba(255,255,255,.08); } }
@keyframes sl-4 { 0%, 34% { opacity: .35; border-color: rgba(255,255,255,.08); } 40%, 94% { opacity: 1; border-color: rgba(79,195,247,.2); } 99%, 100% { opacity: .35; border-color: rgba(255,255,255,.08); } }
.sl-out { margin-top: auto; min-height: 34px; display: flex; align-items: center; justify-content: center; }
.sl-ok { font-size: 11px; color: #062033; background: #4fc3f7; border-radius: 999px; padding: 7px 18px;
  opacity: 0; animation: sl-ok 9s infinite both; }
@keyframes sl-ok {
  0%, 52% { opacity: 0; transform: translateY(6px) scale(.96); }
  62%, 94% { opacity: 1; transform: none; }
  99%, 100% { opacity: 0; transform: translateY(6px) scale(.96); }
}
@media (max-width: 720px) {
  .art--sl2 { padding: 12px; }
  .sl-layer { padding: 8px 10px; gap: 9px; }
  .sl-layer em { width: 66px; font-size: 8.5px; }
  .sl-layer span { font-size: 10px; }
  .sl-ok { font-size: 10px; padding: 6px 14px; }
}
@media (prefers-reduced-motion: reduce) {
  .sl-l1, .sl-l2, .sl-l3, .sl-l4, .sl-ok { animation: none; }
  .sl-layer { opacity: 1; border-color: rgba(79,195,247,.28); }
  .sl-ok { opacity: 1; transform: none; }
}

/* ==========================================================================
   03 · 听得懂：错字照样理解 → 直接给结果
   ========================================================================== */
.art--tp2 { padding: 0; }
.tp-app { width: 100%; height: 100%; display: flex; flex-direction: column; background: #0b1220; border-radius: 12px; overflow: hidden; }
.tp-top { height: 40px; flex: none; display: flex; align-items: center; gap: 9px; padding: 0 14px; border-bottom: 1px solid rgba(255,255,255,.08); }
.tp-av { width: 16px; height: 16px; border-radius: 50%; background: radial-gradient(circle at 35% 30%, #ff8a7a, #e0453a 60%, #8d1f18); }
.tp-top b { font-size: 12px; color: #eef3fb; }
.tp-tb { margin-left: auto; font-size: 9px; color: rgba(238,243,251,.5); border: 1px solid rgba(255,255,255,.1); border-radius: 5px; padding: 2px 7px; }
.tp-body { flex: 1; padding: 18px; display: flex; flex-direction: column; gap: 12px; justify-content: center; }
.tp-in { align-self: flex-end; max-width: 84%; background: #16283f; border: 1px solid rgba(255,255,255,.1);
  border-radius: 12px; padding: 11px 14px; font-size: 13px; line-height: 1.6; color: #eef3fb; }
.tp-wrong { text-decoration: none; color: #ff8f84; border-bottom: 2px wavy rgba(255,143,132,.8);
  background: rgba(255,143,132,.1); border-radius: 3px; padding: 0 2px; }
.tp-think { align-self: flex-start; display: flex; align-items: center; gap: 7px; font-size: 10px; color: #4fc3f7;
  background: rgba(79,195,247,.08); border: 1px dashed rgba(79,195,247,.4); border-radius: 999px; padding: 5px 12px;
  opacity: 0; animation: tp-think 8s infinite both; }
.tp-think i { width: 5px; height: 5px; border-radius: 50%; background: #4fc3f7; }
@keyframes tp-think { 0%, 22% { opacity: 0; transform: translateY(5px); } 32%, 92% { opacity: 1; transform: none; } 98%, 100% { opacity: 0; } }
.tp-ans { align-self: flex-start; max-width: 84%; background: #f3f6fb; color: #121a26; border-radius: 12px;
  padding: 11px 14px; font-size: 12.5px; line-height: 1.6; opacity: 0; animation: tp-ans 8s infinite both; }
@keyframes tp-ans { 0%, 40% { opacity: 0; transform: translateY(6px); } 50%, 92% { opacity: 1; transform: none; } 98%, 100% { opacity: 0; } }
.tp-foot { flex: none; height: 28px; display: flex; align-items: center; padding: 0 14px; border-top: 1px solid rgba(255,255,255,.06);
  font-size: 9px; color: rgba(238,243,251,.38); }
@media (max-width: 720px) {
  .tp-body { padding: 12px; gap: 9px; }
  .tp-in { font-size: 11.5px; max-width: 92%; }
  .tp-ans { font-size: 11px; max-width: 92%; }
}
@media (prefers-reduced-motion: reduce) {
  .tp-think, .tp-ans { animation: none; opacity: 1; transform: none; }
}

/* ==========================================================================
   10 · 越用越聪明：第一次做错被纠正 → 记住 → 下次直接做对
   ========================================================================== */
.art--ev2 { padding: 20px; display: flex; align-items: stretch; }
.ev-app { width: 100%; display: flex; flex-direction: column; gap: 12px; justify-content: center; }
.ev-step { border: 1px solid rgba(255,255,255,.09); background: rgba(255,255,255,.02); border-radius: 12px; padding: 13px 15px;
  display: flex; flex-direction: column; gap: 8px; }
.ev-h { display: flex; align-items: baseline; gap: 10px; }
.ev-h b { font-size: 9px; letter-spacing: .1em; color: rgba(238,243,251,.4); font-weight: 600; width: 40px; flex: none; }
.ev-h span { font-size: 13px; color: #eef3fb; }
.ev-fix { font-size: 11px; color: #ffb27a; background: rgba(255,178,122,.1); border: 1px solid rgba(255,178,122,.3);
  border-radius: 8px; padding: 6px 11px; align-self: flex-start; }
.ev-ok { font-size: 11px; color: #6be3a0; background: rgba(107,227,160,.1); border: 1px solid rgba(107,227,160,.3);
  border-radius: 8px; padding: 6px 11px; align-self: flex-start; }
.ev-s1 { animation: ev-1 9s infinite both; }
.ev-s2 { animation: ev-2 9s infinite both; }
@keyframes ev-1 { 0%, 4% { opacity: 0; transform: translateY(8px); } 14%, 34% { opacity: 1; transform: none; } 40%, 100% { opacity: .28; transform: none; } }
@keyframes ev-2 { 0%, 46% { opacity: 0; transform: translateY(8px); } 56%, 94% { opacity: 1; transform: none; } 99%, 100% { opacity: 0; } }
.ev-mid { display: flex; align-items: center; gap: 7px; font-size: 10px; color: #4fc3f7; padding-left: 8px;
  opacity: 0; animation: ev-mid 9s infinite both; }
.ev-dot { width: 5px; height: 5px; border-radius: 50%; background: #4fc3f7; box-shadow: 0 0 8px rgba(79,195,247,.8); }
@keyframes ev-mid { 0%, 34% { opacity: 0; } 42%, 94% { opacity: 1; } 99%, 100% { opacity: 0; } }
.ev-grow { display: flex; align-items: center; gap: 10px; margin-top: auto; }
.ev-bar { flex: 1; height: 5px; border-radius: 3px; background: rgba(255,255,255,.08); overflow: hidden; }
.ev-fill { display: block; height: 100%; width: 0; border-radius: 3px; background: linear-gradient(90deg,#2f9fd0,#4fc3f7);
  animation: ev-grow 9s linear infinite both; }
@keyframes ev-grow { 0%, 6% { width: 12%; } 50% { width: 62%; } 90%, 100% { width: 88%; } }
.ev-grow span { font-size: 9px; color: rgba(238,243,251,.35); letter-spacing: .08em; flex: none; }
@media (max-width: 720px) {
  .art--ev2 { padding: 12px; }
  .ev-step { padding: 10px 12px; }
  .ev-h span { font-size: 11.5px; }
  .ev-fix, .ev-ok { font-size: 10px; padding: 5px 9px; }
}
@media (prefers-reduced-motion: reduce) {
  .ev-s1, .ev-s2, .ev-mid, .ev-fill { animation: none; }
  .ev-s1, .ev-s2 { opacity: 1; transform: none; }
  .ev-mid { opacity: 1; }
  .ev-fill { width: 88%; }
}