/* ================================================================
   mchat 2.1.0 发布页 · 设计系统
   亮场 Apple 气质 · 产品深蓝 #0f172a · 唯一强调色 mchat 信号绿
   ================================================================ */

@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url('/assets/SpaceGrotesk-var-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+2000-206F, U+2191, U+2193;
}

:root {
  --ink: #1d1d1f;
  --navy: #0f172a;
  --t2: #59595e;
  --t3: #6e6e73;
  --stage: #f5f5f7;
  --white: #fff;
  --warm: #f7f6f2;
  --green: #1f8a4c;
  --green-deep: #176b3b;
  --green-sig: #22c55e;
  --hair: rgba(15, 23, 42, .09);
  --hair-soft: rgba(15, 23, 42, .055);
  --shadow-1: 0 1px 1px rgba(15,23,42,.04), 0 6px 20px rgba(15,23,42,.06);
  --shadow-2: 0 2px 4px rgba(15,23,42,.05), 0 18px 50px rgba(15,23,42,.10);
  --r-s: 12px; --r-m: 16px; --r-l: 22px; --r-xl: 32px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --mono: "Space Grotesk", ui-monospace, "SF Mono", Menlo, monospace;
  /* 产品真实 UI 令牌（复刻区用） */
  --p-paper: #f5f4f0; --p-panel: #faf9f6; --p-ink: #0f172a; --p-line: #e7e4db;
  --p-muted: #8a857a; --p-soft: #524d44; --p-bub: #f1efe9;
  --pd-canvas: #1c1a14; --pd-panel: #211f18; --pd-ink: #f3efe6; --pd-line: #322e24;
  --pd-bub: #2a2820; --pd-mine: #2f6b48; --pd-muted: #9a9488;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: auto; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--stage);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-size: 17px;
  line-height: 1.7;
  overflow-x: hidden;
}

.en { font-family: var(--mono); letter-spacing: -0.01em; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; border: 0; background: none; cursor: pointer; color: inherit; }
sup { font-size: .55em; color: var(--t3); font-weight: 400; margin-left: 1px; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 32px; }

::selection { background: rgba(31,138,76,.18); }

/* ---------------- 通用文字 ---------------- */
.eyebrow {
  font-size: 14px; font-weight: 600; color: var(--green);
  letter-spacing: .02em; margin-bottom: 14px;
}
.eyebrow.light { color: #4ade80; }
.h2 {
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.12; font-weight: 700; letter-spacing: -0.015em;
  margin-bottom: 22px;
}
.lede {
  font-size: clamp(17px, 1.6vw, 21px); color: var(--t2);
  max-width: 640px; line-height: 1.75;
}
.lede b { color: var(--ink); font-weight: 600; }

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 999px;
  font-size: 16px; font-weight: 600; line-height: 1;
  transition: transform .25s cubic-bezier(.2,0,0,1), box-shadow .25s, background .25s, color .2s;
  will-change: transform;
}
.btn:active { transform: scale(.97); }
.btn-primary {
  background: var(--navy); color: #fff;
  box-shadow: 0 1px 2px rgba(15,23,42,.2), 0 8px 24px rgba(15,23,42,.18);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 2px 4px rgba(15,23,42,.2), 0 14px 34px rgba(15,23,42,.24); }
.btn-ghost { color: var(--ink); padding: 14px 10px; }
.btn-ghost .arr { transition: transform .25s; font-family: var(--mono); }
.btn-ghost:hover .arr { transform: translateX(3px); }
.btn-ghost.light { color: #e8f5ec; }
.btn-light { background: #fff; color: var(--navy); box-shadow: 0 8px 30px rgba(0,0,0,.25); }
.btn-light:hover { transform: translateY(-1px); }
.btn.sm { padding: 10px 20px; font-size: 14px; }
.btn-hash { color: var(--t2); font-size: 13px; padding: 10px 12px; border-radius: 10px; }
.btn-hash:hover { color: var(--ink); background: rgba(15,23,42,.05); }

/* ================= 导航 ================= */
.nav {
  position: fixed; inset: 0 0 auto; z-index: 100;
  background: rgba(245,245,247,.72);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, background .3s;
}
.nav.is-solid { border-bottom-color: var(--hair-soft); }
.nav-inner {
  max-width: 1120px; margin: 0 auto; padding: 0 32px;
  height: 56px; display: flex; align-items: center; gap: 34px;
}
.nav-brand { display: flex; align-items: center; gap: 9px; }
.nav-mark { width: 26px; height: 26px; border-radius: 7px; }
.nav-name { font-size: 17px; font-weight: 600; letter-spacing: -0.03em; }
.nav-links { display: flex; gap: 28px; margin-left: auto; }
.nav-links a { font-size: 14px; color: var(--t2); transition: color .2s; }
.nav-links a:hover { color: var(--ink); }
.nav-cta {
  font-size: 13px; font-weight: 600; color: #fff;
  background: var(--navy); padding: 7px 16px; border-radius: 999px;
  transition: opacity .2s, background .3s, color .3s;
}
.nav-cta:hover { opacity: .85; }
/* 暗场段落上的导航变体 */
.nav.on-dark { background: rgba(11, 17, 32, .62); }
.nav.on-dark .nav-name { color: #fff; }
.nav.on-dark .nav-links a { color: #93a0b4; }
.nav.on-dark .nav-links a:hover { color: #fff; }
.nav.on-dark .nav-cta { background: #fff; color: var(--navy); }
.nav.on-dark.is-solid { border-bottom-color: rgba(255,255,255,.08); }

/* ================= HERO ================= */
.hero {
  position: relative; padding: 112px 0 0;
  min-height: 100svh;
  display: flex; flex-direction: column;
  background:
    radial-gradient(120% 60% at 50% 0%, #fdfdfe 0%, var(--stage) 70%);
  overflow: hidden;
}
.hero-copy { text-align: center; padding: 0 24px; position: relative; z-index: 3; }
.js .hero-copy .eyebrow { opacity: 0; transform: translateY(10px); }
.hero-title {
  font-size: clamp(40px, 6.2vw, 74px);
  line-height: 1.08; font-weight: 700; letter-spacing: -0.02em;
  color: var(--ink);
}
.js .hero-title .line { display: block; opacity: 0; }
.hero-title .line { display: block; }
.hero-lede {
  margin: 20px auto 0; max-width: 620px;
  font-size: clamp(17px, 1.7vw, 20px); color: var(--t2);
}
.hero-actions {
  margin-top: 28px; display: flex; gap: 14px; justify-content: center; align-items: center;
}
.js .hero-lede, .js .hero-actions { opacity: 0; }

.hero-stage {
  position: relative; flex: 1; min-height: 52vh; margin-top: 4px;
}
#heroCanvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  display: block; touch-action: pan-y;
}
.hero-hud { position: absolute; inset: 0; pointer-events: none; z-index: 2; }
.hud-chip {
  position: absolute; transform: translate(-50%, -100%);
  background: rgba(255,255,255,.82);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border: 1px solid var(--hair-soft);
  box-shadow: var(--shadow-1);
  border-radius: 999px; padding: 5px 12px 5px 9px;
  font-size: 12px; font-weight: 600; color: var(--ink);
  display: flex; align-items: center; gap: 6px;
  white-space: nowrap; transition: opacity .3s;
}
.hud-chip i.dot { width: 6px; height: 6px; }
.hud-chip .sub { font-weight: 400; color: var(--t3); font-size: 11px; }
.hud-chip.is-dim { opacity: .45; }
.hud-chip.is-out { opacity: 0; }
.hud-chip.hud-cloud { background: rgba(15,23,42,.78); color: #e8eaf0; border-color: transparent; }
.hud-chip.hud-cloud .sub { color: #9aa3b5; }
.hud-chip.hud-agent { padding-left: 12px; }

.dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: #b9b4a8; }
.dot.on { background: var(--green-sig); box-shadow: 0 0 0 3px rgba(34,197,94,.18); }
.dot.off { background: #c3c3c8; }

.hero-transfer-chip {
  position: absolute; left: 50%; bottom: 84px; transform: translateX(-50%) translateY(8px);
  z-index: 3; pointer-events: none; opacity: 0;
  background: rgba(255,255,255,.9);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  border: 1px solid var(--hair-soft); box-shadow: var(--shadow-2);
  border-radius: 14px; padding: 10px 18px;
  font-size: 13px; font-weight: 600; color: var(--ink);
  transition: opacity .35s, transform .35s;
}
.hero-transfer-chip.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.hero-transfer-chip .grn { color: var(--green-deep); }
.hero-transfer-chip .en { font-weight: 500; }

.hero-hint {
  position: absolute; left: 0; right: 0; bottom: 26px; z-index: 3;
  text-align: center; font-size: 13px; color: var(--t3);
  opacity: 0; transition: opacity .6s;
  pointer-events: none;
}
.hero-hint.show { opacity: 1; }

/* 发布卡字幕（随翻面切换） */
.hero-caption {
  position: absolute; left: 0; right: 0; bottom: 18px; z-index: 3;
  text-align: center; pointer-events: none;
  opacity: 0; transform: translateY(8px);
  transition: opacity .7s, transform .7s;
}
.hero-caption.show { opacity: 1; transform: none; }
.hc-title, .hc-sub { transition: opacity .18s; }
.hero-caption.hc-swap .hc-title, .hero-caption.hc-swap .hc-sub { opacity: 0; }
.hc-title { display: block; font-size: 16px; font-weight: 600; color: var(--ink); letter-spacing: -0.01em; }
.hc-sub { display: block; margin-top: 3px; font-size: 12.5px; color: var(--t3); }
.hc-dashes { margin-top: 12px; display: flex; gap: 6px; justify-content: center; }
.hc-dashes i {
  width: 14px; height: 2px; border-radius: 1px;
  background: rgba(15,23,42,.14);
  transition: background .3s, width .3s;
}
.hc-dashes i.on { background: var(--green); width: 24px; }

.hero-status {
  position: relative; z-index: 3;
  display: flex; justify-content: center; align-items: center; gap: 18px;
  padding: 18px 24px 22px;
  font-size: 13px; color: var(--t2);
  border-top: 1px solid var(--hair-soft);
  background: rgba(255,255,255,.5);
  flex-wrap: wrap;
}
.hero-status .dot { margin-right: 7px; }
.hero-status .sep { width: 1px; height: 12px; background: var(--hair); }

/* ================= 宣言 ================= */
.statement { background: #fff; padding: 130px 0 120px; }
.statement-text {
  font-size: clamp(28px, 4vw, 48px); font-weight: 700;
  line-height: 1.24; letter-spacing: -0.015em;
  max-width: 1040px;
}
.statement-text em { font-style: normal; color: var(--green); }
.statement-sub {
  margin-top: 24px; font-size: clamp(17px, 1.6vw, 20px);
  color: var(--t2); max-width: 620px;
}
.stats {
  margin-top: 72px;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.stat {
  border-top: 1px solid var(--hair);
  padding-top: 22px;
}
.stat b {
  display: block; font-size: clamp(38px, 4vw, 54px); font-weight: 600;
  letter-spacing: -0.03em; line-height: 1; color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.stat b i { font-style: normal; font-size: .42em; font-weight: 600; margin-left: 4px; color: var(--t2); font-family: var(--font); }
.stat span { display: block; margin-top: 10px; font-size: 14px; color: var(--t2); line-height: 1.6; }

/* ================= AGENT 暗场 ================= */
.agent { background: var(--navy); color: #eef2f7; position: relative; }
.agent::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(90% 55% at 70% 12%, rgba(34,197,94,.09), transparent 60%);
  pointer-events: none;
}
.agent-pin { min-height: 100vh; display: flex; align-items: center; padding: 90px 0; position: relative; }
.agent-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 96px);
  align-items: center; width: 100%;
}
.agent-title {
  font-size: clamp(34px, 4.6vw, 54px); font-weight: 700;
  line-height: 1.14; letter-spacing: -0.015em; color: #fff;
  margin-bottom: 40px;
}
.agent-steps { display: flex; flex-direction: column; gap: 8px; }
.agent-step {
  padding: 18px 22px; border-radius: var(--r-m);
  border-left: 2px solid transparent;
  opacity: .38; transition: opacity .45s, background .45s, border-color .45s;
  cursor: pointer;
}
.agent-step.is-active {
  opacity: 1; background: rgba(255,255,255,.045);
  border-left-color: var(--green-sig);
}
.agent-step h3 { font-size: 19px; font-weight: 600; color: #fff; margin-bottom: 8px; }
.agent-step p { font-size: 15px; line-height: 1.75; color: #aeb6c4; }
.agent-roster {
  margin-top: 36px; display: flex; align-items: center; gap: 14px;
  font-size: 13px;
}
.roster-label {
  color: #7dd8a2; font-weight: 600;
  border: 1px solid rgba(74,222,128,.35); border-radius: 999px; padding: 3px 12px;
}
.roster-names { color: #8b94a5; letter-spacing: .04em; }

/* --- 会话窗（产品深色模式复刻） --- */
.agent-stagebox { position: relative; min-height: 560px; }
.chatwin {
  position: absolute; inset: 0;
  background: var(--pd-canvas);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: 24px;
  box-shadow: 0 30px 80px rgba(0,0,0,.5);
  display: flex; flex-direction: column;
  overflow: hidden;
  opacity: 0; transform: translateY(24px) scale(.98);
  transition: opacity .5s cubic-bezier(.2,0,0,1), transform .5s cubic-bezier(.2,0,0,1);
  pointer-events: none;
}
.chatwin.is-on { opacity: 1; transform: none; pointer-events: auto; }
.chatwin-bar {
  padding: 16px 22px 14px;
  border-bottom: 1px solid var(--pd-line);
  display: flex; align-items: baseline; gap: 12px;
  background: var(--pd-panel);
}
.cw-title { font-size: 15px; font-weight: 600; color: var(--pd-ink); }
.cw-sub { font-size: 11.5px; color: var(--pd-muted); }
.chatwin-body { flex: 1; padding: 22px; display: flex; flex-direction: column; gap: 16px; justify-content: flex-end; }
.chatwin-note {
  padding: 13px 22px; border-top: 1px solid var(--pd-line);
  font-size: 12px; color: #7c766a; background: var(--pd-panel);
}

.cmsg { display: flex; gap: 10px; max-width: 88%; opacity: 0; transform: translateY(14px);
  transition: opacity .5s cubic-bezier(.2,0,0,1), transform .5s cubic-bezier(.2,0,0,1); }
.cmsg.beat-in, .term.beat-in, .api-chips.beat-in { opacity: 1; transform: none; }
.beat-gone { display: none !important; }
.term, .api-chips { transition: opacity .5s cubic-bezier(.2,0,0,1), transform .5s cubic-bezier(.2,0,0,1); }
.cmsg.me { align-self: flex-end; flex-direction: row-reverse; text-align: right; }
.cava {
  flex: 0 0 33px; width: 33px; height: 33px; border-radius: 50%;
  background: #3a372d; color: #d8d2c4;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 600; overflow: hidden;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.06);
}
.cava.img { background: #fff; }
.cava.img img { width: 100%; height: 100%; object-fit: cover; }
.cava.dark { background: #253048; color: #bcd0f5; }
.cname {
  display: block; font-style: normal; font-size: 12px; color: var(--pd-muted);
  margin-bottom: 5px;
}
.ai-tag {
  font-style: normal; font-size: 10px; font-weight: 600;
  color: #e8b04b; border: 1px solid rgba(232,176,75,.4);
  padding: 1px 6px; border-radius: 999px; margin-left: 4px;
}
.src-tag {
  font-style: normal; font-size: 10px; color: #6d7788; margin-left: 4px;
}
.cdev { display: block; font-style: normal; font-size: 10.5px; color: #6f6a5e; margin-top: 5px; }
.cmsg .bubble {
  display: inline-block;
  background: var(--pd-bub); color: var(--pd-ink);
  border-radius: 14px; padding: 10px 14px;
  font-size: 14px; line-height: 1.6; text-align: left;
}
.cmsg.me .bubble { background: var(--pd-mine); color: #f3efe6; }
.cmsg .bubble .mention, .mention { color: #5cc888; font-weight: 600; }
.cmsg .bubble.mono { font-family: var(--mono); font-size: 12.5px; color: #c9c2b2; }
.typing-bubble { display: inline-flex; gap: 5px; padding: 14px 16px !important; }
.typing-bubble span {
  width: 7px; height: 7px; border-radius: 50%; background: #6f6a5e;
  animation: tb 1.2s infinite ease-in-out;
}
.typing-bubble span:nth-child(2) { animation-delay: .18s; }
.typing-bubble span:nth-child(3) { animation-delay: .36s; }
@keyframes tb { 0%,60%,100% { transform: none; opacity: .5; } 30% { transform: translateY(-4px); opacity: 1; } }

/* 终端小窗（场景 2） */
.term {
  margin: 18px 22px 0; border-radius: 12px; overflow: hidden;
  background: #0b0f1a; border: 1px solid rgba(255,255,255,.08);
  opacity: 0; transform: translateY(14px);
}
.term-bar {
  display: flex; align-items: center; gap: 6px; padding: 9px 12px;
  background: rgba(255,255,255,.04);
}
.term-bar i { width: 10px; height: 10px; border-radius: 50%; background: #2e3646; }
.term-bar span { margin-left: 8px; font-size: 11px; color: #5d6b85; }
.term pre {
  padding: 14px 16px; font-size: 12px; line-height: 1.6; color: #9fe8bc;
  font-family: var(--mono); white-space: pre-wrap;
}
.api-chips { display: flex; gap: 10px; padding: 0 22px 6px; opacity: 0; transform: translateY(14px); }
.api-chips span {
  font-size: 11.5px; font-weight: 600; color: #9fb4d8;
  border: 1px solid rgba(159,180,216,.28); border-radius: 999px; padding: 4px 12px;
}
.scene-dots {
  position: absolute; right: -26px; top: 50%; transform: translateY(-50%);
  display: flex; flex-direction: column; gap: 8px;
}
.scene-dots i {
  width: 6px; height: 6px; border-radius: 50%;
  background: rgba(255,255,255,.18); transition: background .3s, height .3s;
}
.scene-dots i.is-on { background: var(--green-sig); height: 18px; border-radius: 4px; }

/* 静态降级布局（移动端 / 无动效）：场景穿插在步骤之间 */
.agent.agent-static .agent-pin { min-height: 0; padding: 90px 0 70px; }
.agent.agent-static .agent-grid { grid-template-columns: 1fr; }
.agent.agent-static .agent-stagebox { display: none; }
.agent.agent-static .agent-step { opacity: 1; background: rgba(255,255,255,.045); border-left-color: var(--green-sig); cursor: default; }
.agent.agent-static .agent-steps .chatwin {
  position: relative; inset: auto; opacity: 1; transform: none;
  pointer-events: auto; margin: 14px 0 26px;
}

/* ================= 文件直达 ================= */
.transfer { background: #fff; padding: 140px 0; }
.transfer .lede { margin-bottom: 56px; }

.lab {
  border: 1px solid var(--hair-soft); border-radius: var(--r-xl);
  background: linear-gradient(180deg, #fbfbfc, #f6f6f8);
  box-shadow: var(--shadow-1);
  padding: clamp(22px, 3.4vw, 44px);
}
.lab-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.lab-label {
  font-size: 12px; font-weight: 600; color: var(--t3);
  min-width: 84px; letter-spacing: .04em;
}
.fchip {
  display: inline-flex; align-items: center; gap: 9px;
  border: 1px solid var(--hair); border-radius: 14px;
  background: #fff; padding: 9px 14px 9px 9px;
  font-size: 13.5px; font-weight: 500; color: var(--ink);
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.fchip b {
  width: 30px; height: 30px; border-radius: 8px;
  background: var(--navy); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 9.5px; font-weight: 600;
}
.fchip i { font-style: normal; color: var(--t3); font-size: 12px; }
.fchip:hover { transform: translateY(-1px); box-shadow: var(--shadow-1); }
.fchip.is-on { border-color: var(--green); box-shadow: 0 0 0 3px rgba(31,138,76,.12); }
.tchip {
  display: inline-flex; align-items: center; gap: 9px;
  border: 1px solid var(--hair); border-radius: 999px;
  background: #fff; padding: 9px 16px;
  font-size: 13.5px; font-weight: 500;
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.tchip em { font-style: normal; font-size: 11.5px; color: var(--t3); }
.tchip:hover { transform: translateY(-1px); box-shadow: var(--shadow-1); }
.tchip.is-on { border-color: var(--green); box-shadow: 0 0 0 3px rgba(31,138,76,.12); }

.lab-viz { margin: 6px auto 2px; max-width: 780px; }
#labSvg { width: 100%; height: auto; display: block; }
.lv-cap { font-size: 11px; fill: var(--t3); font-family: var(--font); }
.lv-cloud-ring { fill: none; stroke: rgba(15,23,42,.22); stroke-width: 1.4; stroke-dasharray: 3 5; }
.lv-route { fill: none; stroke: rgba(15,23,42,.10); stroke-width: 1.6; }
.lv-route.is-hot { stroke: var(--green-sig); stroke-width: 2.2; }
.lv-dev { fill: #fff; stroke: var(--hair); stroke-width: 1; filter: drop-shadow(0 3px 8px rgba(15,23,42,.07)); }
.lv-dev.me { fill: var(--navy); }
.lv-node text.lv-dev-name { font-size: 12.5px; font-weight: 600; fill: var(--ink); font-family: var(--font); }
.lv-node text.lv-dev-name.on-dark { fill: #fff; }
.lv-fly rect { fill: #fff; stroke: var(--hair); filter: drop-shadow(0 4px 10px rgba(15,23,42,.14)); }
.lv-fly text { font-size: 10px; font-weight: 600; fill: var(--navy); }

.lab-result {
  margin-top: 26px; display: flex; gap: 28px; align-items: center; flex-wrap: wrap;
}
.lab-say { font-size: 14px; color: var(--t2); max-width: 380px; line-height: 1.7; }
.lab-say b { color: var(--green-deep); }

/* --- 文件卡片（产品 1:1 复刻） --- */
.fcard {
  width: 308px; max-width: 100%;
  background: var(--p-panel);
  border: 1px solid var(--p-line);
  border-radius: 14px;
  box-shadow: 0 1px 1px rgba(35,32,26,.04), 0 4px 12px rgba(35,32,26,.06);
  padding: 12px 14px;
  text-align: left;
}
.fcard .ft { display: flex; gap: 10px; align-items: center; }
.fc-ico {
  flex: 0 0 40px; width: 40px; height: 40px; border-radius: 11px;
  background: var(--p-ink); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 10.5px; font-weight: 600;
}
.fc-ico.sm { flex-basis: 32px; width: 32px; height: 32px; border-radius: 9px; font-size: 9px; }
.fc-main { min-width: 0; }
.fc-nm {
  display: block; font-size: 13px; font-weight: 600; color: var(--p-ink);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.fc-meta { display: block; font-style: normal; font-size: 11px; color: var(--p-muted); margin-top: 2px; }
.fc-route {
  display: flex; align-items: center; gap: 6px;
  margin-top: 10px; font-size: 10px; font-weight: 600; color: var(--green-deep);
}
.fc-route .d { width: 5px; height: 5px; border-radius: 50%; background: var(--green); }
.fcard .bar {
  height: 4px; border-radius: 3px; background: rgba(31,138,76,.14);
  margin-top: 8px; overflow: hidden; display: none;
}
.fcard .bar.show { display: block; }
.fcard .bar i { display: block; height: 100%; width: 0; background: var(--green); border-radius: 3px; transition: width .3s linear; }
.fc-foot {
  display: flex; justify-content: space-between; align-items: center; margin-top: 9px;
}
.fc-status { font-size: 11px; color: var(--p-soft); font-variant-numeric: tabular-nums; }
.fc-act { font-size: 11.5px; font-weight: 600; color: var(--green-deep); cursor: pointer; }
/* 深色变体（agent 场景内） */
.fcard.dark { background: #26231b; border-color: #383325; box-shadow: none; }
.fcard.dark .fc-nm { color: var(--pd-ink); }
.fcard.dark .fc-ico { background: #0f172a; }
.fcard.dark .fc-meta { color: var(--pd-muted); }
.fcard.dark .fc-route { color: #5cc888; }

.transfer-details {
  margin-top: 28px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.td-card {
  border: 1px solid var(--hair-soft); border-radius: var(--r-l);
  padding: 28px; background: #fff;
}
.td-card h3 { font-size: 17px; font-weight: 600; margin-bottom: 10px; }
.td-card p { font-size: 14.5px; color: var(--t2); line-height: 1.75; }
.td-card .en { font-size: .92em; color: var(--green-deep); }

/* ================= 细节网格 ================= */
.craft { background: var(--warm); padding: 140px 0; }
.craft .lede { margin-bottom: 56px; }
.craft-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
}
.cc {
  background: #fff; border: 1px solid var(--hair-soft);
  border-radius: var(--r-l); padding: 24px;
  transition: transform .3s cubic-bezier(.2,0,0,1), box-shadow .3s;
}
.cc:hover { transform: translateY(-3px); box-shadow: var(--shadow-2); }
.cc h3 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.cc p { font-size: 13.5px; color: var(--t2); line-height: 1.7; }
.cc-viz {
  height: 84px; display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px; border-radius: 14px;
  background: linear-gradient(180deg, #f8f8fa, #f2f2f5);
  overflow: hidden;
}

/* 细节小视觉 */
.push-demo { display: flex; flex-direction: column; gap: 6px; font-size: 11px; }
.push-demo b { font-weight: 500; background: #fff; border: 1px solid var(--hair-soft); border-radius: 9px; padding: 5px 12px; box-shadow: 0 2px 6px rgba(15,23,42,.05); }
.push-demo .push-b { color: var(--t3); opacity: .55; }
.big-num { font-size: 40px; font-weight: 600; letter-spacing: -0.03em; color: var(--ink); }
.big-num i { font-style: normal; font-size: 17px; color: var(--green); margin-left: 2px; }
.unread-line { display: flex; align-items: center; gap: 10px; font-size: 11px; color: var(--green-deep); font-weight: 600; width: 80%; }
.unread-line i { flex: 1; height: 1px; background: var(--green); opacity: .5; }
.row-demo { display: flex; align-items: center; gap: 8px; background: #fff; border: 1px solid var(--hair-soft); border-radius: 11px; padding: 9px 14px; font-size: 12px; box-shadow: 0 2px 6px rgba(15,23,42,.05); }
.row-demo b { font-weight: 600; }
.row-demo em { font-style: normal; font-size: 11px; }
.row-demo .draft { color: #c0392b; }
.row-demo .at { color: #c0392b; font-weight: 600; }
.row-demo .me-tag { color: var(--t3); border: 1px solid var(--hair); border-radius: 999px; padding: 1px 8px; font-size: 10px; }
.voice-demo { display: flex; align-items: center; gap: 3px; }
.voice-demo i { width: 3px; border-radius: 2px; background: var(--green); height: 12px; animation: vw 1s infinite ease-in-out; }
.voice-demo i:nth-child(2n) { height: 22px; animation-delay: .15s; }
.voice-demo i:nth-child(3n) { height: 16px; animation-delay: .3s; }
.voice-demo i:nth-child(4n) { height: 26px; animation-delay: .45s; }
.voice-demo b { margin-left: 8px; font-size: 12px; color: var(--t2); font-weight: 500; }
@keyframes vw { 0%,100% { transform: scaleY(.7); } 50% { transform: scaleY(1.15); } }
.recall-demo { font-size: 11.5px; color: var(--t2); display: flex; flex-direction: column; gap: 5px; align-items: center; }
.recall-demo b { font-weight: 600; color: var(--ink); }
.update-demo { display: flex; align-items: center; gap: 10px; font-size: 11.5px; background: var(--green); color: #fff; border-radius: 10px; padding: 8px 14px; font-weight: 500; box-shadow: 0 4px 12px rgba(31,138,76,.3); }
.update-demo b { background: #fff; color: var(--green-deep); border-radius: 999px; padding: 2px 10px; font-size: 10.5px; font-weight: 600; }
.search-demo { display: flex; flex-direction: column; gap: 6px; font-size: 11px; }
.search-demo b { font-weight: 500; background: #fff; border: 1px solid var(--hair-soft); border-radius: 9px; padding: 5px 12px; color: var(--green-deep); }
.notice-demo { display: flex; flex-direction: column; gap: 4px; font-size: 11px; background: #fff; border: 1px solid var(--hair-soft); border-left: 2px solid var(--green); border-radius: 10px; padding: 8px 14px; }
.notice-demo b { font-weight: 500; color: var(--t2); }
.dark-demo { display: flex; gap: 8px; }
.dark-demo b { width: 44px; height: 44px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 15px; font-weight: 600; }
.dark-demo .l { background: #fff; border: 1px solid var(--hair-soft); color: var(--ink); }
.dark-demo .d { background: #1c1a14; color: #f3efe6; }

/* ================= 真实界面 ================= */
.real { background: #fff; padding: 140px 0 0; overflow: hidden; }
.real .wrap { position: relative; z-index: 2; }
.real-stage {
  position: relative; margin-top: 64px;
  padding: 0 32px 150px;
  display: flex; justify-content: center; align-items: flex-end; gap: 0;
  perspective: 1600px;
}
.macwin {
  width: min(980px, 92vw);
  border-radius: 18px; overflow: hidden;
  background: var(--p-paper);
  border: 1px solid rgba(15,23,42,.10);
  box-shadow: 0 2px 6px rgba(15,23,42,.06), 0 40px 100px rgba(15,23,42,.16);
  transform-style: preserve-3d;
}
.macwin-bar {
  height: 38px; display: flex; align-items: center; gap: 7px; padding: 0 16px;
  background: #ecebe6; border-bottom: 1px solid var(--p-line);
}
.macwin-bar i { width: 11px; height: 11px; border-radius: 50%; background: #d6d3c9; }
.macwin-bar i:nth-child(1) { background: #f2645a; }
.macwin-bar i:nth-child(2) { background: #f5bf4f; }
.macwin-bar i:nth-child(3) { background: #5fc454; }
.macwin-bar span { margin-left: auto; margin-right: auto; font-size: 12px; color: var(--p-muted); transform: translateX(-24px); }

.app { display: grid; grid-template-columns: 232px 1fr 218px; font-size: 13px; height: 560px; background: var(--p-paper); }
.app .cir, .app .sq {
  flex: 0 0 30px; width: 30px; height: 30px; border-radius: 50%;
  background: #e7e4db; color: var(--p-soft);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 600; position: relative; overflow: visible;
}
.app .sq { border-radius: 9px; background: var(--p-ink); color: #fff; }
.app .cir.img { overflow: hidden; background: #fff; }
.app .cir.img img { width: 100%; height: 100%; object-fit: cover; }
.app .cir.on::after, .app .cir.off::after {
  content: ""; position: absolute; right: -1px; bottom: -1px;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green-sig); border: 2px solid var(--p-paper);
}
.app .cir.off::after { background: #c3beb2; }

.app-side { border-right: 1px solid var(--p-line); padding: 14px 10px; display: flex; flex-direction: column; gap: 3px; background: var(--p-paper); overflow: hidden; }
.side-brand { display: flex; align-items: center; gap: 8px; padding: 2px 8px 12px; }
.side-logo { width: 28px; height: 28px; border-radius: 8px; }
.side-brand b { font-size: 16px; letter-spacing: -0.04em; font-weight: 600; color: var(--p-ink); }
.side-me { margin-left: auto; width: 24px; height: 24px; border-radius: 50%; background: var(--p-ink); color: #fff; font-size: 11px; display: flex; align-items: center; justify-content: center; }
.side-search {
  margin: 0 6px 12px; background: #fff; border: 1px solid var(--p-line);
  border-radius: 11px; padding: 7px 12px; font-size: 12px; color: var(--p-muted);
}
.side-sec { font-size: 10.5px; color: var(--p-muted); padding: 10px 10px 6px; display: flex; justify-content: space-between; }
.side-hint { font-style: normal; }
.side-row {
  display: flex; align-items: center; gap: 9px; padding: 8px 10px;
  border-radius: 12px; color: var(--p-ink);
}
.side-row > div { flex: 1; min-width: 0; }
.side-row b { display: block; font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.side-row i { display: block; font-style: normal; font-size: 11px; color: var(--p-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-top: 1px; }
.side-row em { font-style: normal; font-size: 10.5px; color: var(--p-muted); }
.side-row.is-on { background: var(--p-ink); color: #fff; box-shadow: 0 6px 16px rgba(15,23,42,.22); }
.side-row.is-on i, .side-row.is-on em { color: rgba(255,255,255,.6); }
.side-row .badge {
  background: var(--green); color: #fff; font-size: 10.5px; font-weight: 600;
  min-width: 18px; height: 18px; border-radius: 9px;
  display: inline-flex; align-items: center; justify-content: center; padding: 0 5px;
}
.ai-mini { font-style: normal; text-decoration: none; font-size: 9px; font-weight: 600; color: #b07f18; border: 1px solid rgba(176,127,24,.4); border-radius: 999px; padding: 0 5px; margin-left: 3px; vertical-align: 1px; }

.app-main { display: flex; flex-direction: column; background: #fbfaf7; min-width: 0; }
.app-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 13px 18px; border-bottom: 1px solid var(--p-line);
}
.app-head b { font-size: 15px; font-weight: 600; color: var(--p-ink); display: block; }
.app-head i { font-style: normal; font-size: 11px; color: var(--p-muted); }
.link-pill {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 11px; font-weight: 600; color: var(--green-deep);
  background: rgba(31,138,76,.09); border-radius: 999px; padding: 5px 12px;
}
.app-notice {
  margin: 14px 18px 0; background: #fff; border: 1px solid var(--p-line);
  border-radius: 13px; padding: 10px 14px; font-size: 12px; color: var(--p-soft);
  display: flex; align-items: center; gap: 7px;
}
.app-notice b { font-weight: 600; color: var(--p-ink); }
.app-notice em { font-style: normal; margin-left: auto; color: var(--p-muted); font-size: 11px; }
.app-msgs { flex: 1; padding: 18px; display: flex; flex-direction: column; gap: 14px; overflow: hidden; }
.am { display: flex; gap: 9px; max-width: 86%; }
.am.me { align-self: flex-end; flex-direction: row-reverse; }
.am-name { display: block; font-style: normal; font-size: 11px; color: var(--p-muted); margin-bottom: 4px; }
.am-name u { text-decoration: none; font-size: 10px; opacity: .8; }
.am-name.r { text-align: right; }
.am .bubble {
  display: inline-block; background: var(--p-bub); color: var(--p-ink);
  border-radius: 14px; padding: 9px 13px; font-size: 13px; line-height: 1.6;
  text-align: left;
}
.am.me .bubble { background: var(--p-ink); color: #fff; }
.am.me .bubble .mention { color: #bbf7d0; }
.am .read { display: block; font-size: 10px; color: var(--green); margin-top: 4px; text-align: right; }
.am.sm .bubble { font-size: 12.5px; padding: 8px 12px; }
.app-input {
  margin: 0 18px 16px; background: #fff; border: 1px solid var(--p-line);
  border-radius: 17px; padding: 12px 12px 12px 16px;
  display: flex; align-items: center; font-size: 12.5px; color: var(--p-muted);
}
.app-input .send {
  margin-left: auto; background: var(--p-ink); color: #fff;
  border-radius: 999px; padding: 7px 18px; font-size: 12px; font-weight: 600;
}
.app-detail { border-left: 1px solid var(--p-line); padding: 14px 14px; background: var(--p-paper); overflow: hidden; }
.det-sec { font-size: 10.5px; color: var(--p-muted); padding: 10px 4px 8px; }
.det-row {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  font-size: 12px; padding: 6px 4px; color: var(--p-soft);
  border-bottom: 1px solid var(--p-line);
}
.det-row:last-child { border-bottom: 0; }
.det-row b { font-weight: 600; color: var(--p-ink); font-size: 12px; }
.det-row b.grn { color: var(--green-deep); }
.det-row.mem, .det-row.file { justify-content: flex-start; border-bottom: 0; padding: 5px 4px; }
.det-row.mem > div, .det-row.file > div { min-width: 0; }
.det-row.mem b, .det-row.file b { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.det-row.mem i, .det-row.file i { display: block; font-style: normal; font-size: 10.5px; color: var(--p-muted); }
.det-row .cir { flex-basis: 26px; width: 26px; height: 26px; font-size: 11px; }

.phonewin {
  width: 240px; flex: 0 0 auto;
  margin-left: -20px; margin-bottom: -34px;
  background: var(--p-paper);
  border: 6px solid #0d1322; border-radius: 38px;
  box-shadow: 0 30px 80px rgba(15,23,42,.28);
  position: relative; z-index: 3;
  overflow: hidden;
  display: flex; flex-direction: column;
  height: 470px;
  transform-style: preserve-3d;
}
.phone-notch {
  width: 86px; height: 22px; background: #0d1322;
  border-radius: 0 0 14px 14px; margin: 0 auto;
}
.phone-head { text-align: center; padding: 6px 0 10px; border-bottom: 1px solid var(--p-line); }
.phone-head b { display: block; font-size: 13px; font-weight: 600; color: var(--p-ink); }
.phone-head i { font-style: normal; font-size: 10px; color: var(--p-muted); }
.phone-msgs { flex: 1; padding: 14px 10px; display: flex; flex-direction: column; gap: 10px; justify-content: flex-end; }
.phone-msgs .cir { flex-basis: 26px; width: 26px; height: 26px; font-size: 10.5px; background:#e7e4db; border-radius:50%; display:inline-flex; align-items:center; justify-content:center; color:var(--p-soft); font-weight:600; overflow:hidden; }
.phone-msgs .cir.img { background:#fff; } .phone-msgs .cir.img img{ width:100%;height:100%;object-fit:cover; }
.phone-input {
  margin: 0 10px 12px; background: #fff; border: 1px solid var(--p-line);
  border-radius: 999px; padding: 8px 12px; font-size: 11px; color: var(--p-muted);
  display: flex; align-items: center; gap: 8px;
}
.phone-input i { width: 16px; height: 16px; border-radius: 50%; border: 1.5px solid var(--p-muted); opacity: .5; }
.phone-input b { margin-left: auto; font-size: 13px; }
.phone-home { width: 90px; height: 4px; border-radius: 2px; background: rgba(15,23,42,.25); margin: 2px auto 8px; }

/* ================= 下载 ================= */
.download { background: var(--stage); padding: 140px 0; }
.download .lede { margin-bottom: 52px; }
.dl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.dl-card {
  background: #fff; border: 1px solid var(--hair-soft);
  border-radius: var(--r-l); padding: 26px;
  display: flex; flex-direction: column; gap: 6px;
  transition: transform .3s cubic-bezier(.2,0,0,1), box-shadow .3s;
}
.dl-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-2); }
.dl-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.dl-plat {
  font-size: 12px; font-weight: 600; color: var(--t2);
  border: 1px solid var(--hair); border-radius: 999px; padding: 3px 12px;
}
.dl-note { font-style: normal; font-size: 11.5px; color: var(--t3); }
.dl-note.ok { color: var(--green-deep); font-weight: 600; }
.dl-card h3 { font-size: 21px; font-weight: 700; letter-spacing: -0.01em; }
.dl-sub { font-size: 13px; color: var(--t2); line-height: 1.65; }
.dl-sub.en { font-size: 12.5px; color: var(--t3); }
.dl-acts { display: flex; align-items: center; gap: 6px; margin-top: auto; padding-top: 14px; flex-wrap: wrap; }
.dl-fine { font-size: 11.5px; color: var(--t3); line-height: 1.6; margin-top: 10px; }
.dl-fine .en { font-size: 11px; }
.dl-links {
  margin-top: 36px; display: flex; gap: 28px; flex-wrap: wrap;
  font-size: 14px;
}
.dl-links a { color: var(--green-deep); font-weight: 500; }
.dl-links a:hover { text-decoration: underline; }

/* ================= 未来 ================= */
.future { background: #fff; padding: 140px 0; }
.future .lede { margin-bottom: 48px; }
.future-list { list-style: none; max-width: 920px; }
.future-list li {
  display: grid; grid-template-columns: 220px 1fr; gap: 24px;
  padding: 26px 0; border-top: 1px solid var(--hair-soft);
  align-items: baseline;
}
.future-list li:last-child { border-bottom: 1px solid var(--hair-soft); }
.future-list b { font-size: 18px; font-weight: 600; }
.future-list span { font-size: 15px; color: var(--t2); line-height: 1.7; }

/* ================= 团队接入 ================= */
.join {
  background: var(--navy); color: #f0f4f9;
  padding: 150px 0; text-align: center; position: relative; overflow: hidden;
}
.join::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(70% 55% at 50% 100%, rgba(34,197,94,.10), transparent 65%);
}
.join .wrap { position: relative; }
.join-logo { width: 74px; height: 74px; border-radius: 20px; margin: 0 auto 34px; box-shadow: 0 20px 50px rgba(0,0,0,.4); }
.join-title {
  font-size: clamp(34px, 5vw, 58px); font-weight: 700; line-height: 1.15;
  letter-spacing: -0.015em; color: #fff;
}
.join-sub { margin: 22px auto 0; max-width: 560px; font-size: 17px; color: #9aa6b8; line-height: 1.75; }
.join-acts { margin-top: 38px; display: flex; gap: 16px; justify-content: center; align-items: center; }

/* ================= 页脚 ================= */
.foot { background: var(--navy); color: #6b7688; padding: 0 0 48px; }
.foot .wrap { border-top: 1px solid rgba(255,255,255,.08); padding-top: 32px; }
.foot-row { display: flex; gap: 24px; flex-wrap: wrap; font-size: 13px; align-items: center; }
.foot-row a { color: #9fb0c6; }
.foot-row a:hover { color: #fff; }
.fine {
  margin-top: 26px; padding-left: 18px;
  font-size: 11.5px; line-height: 1.9; color: #8a94a8;
  max-width: 860px;
}

/* ================= Toast ================= */
.toast {
  position: fixed; left: 50%; bottom: 40px; transform: translateX(-50%) translateY(20px);
  background: rgba(15,23,42,.92); color: #fff;
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border-radius: 999px; padding: 11px 22px;
  font-size: 13.5px; font-weight: 500;
  opacity: 0; pointer-events: none; z-index: 200;
  transition: opacity .3s, transform .3s;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ================= Reveal（JS 兜底：无 JS 时全部可见） ================= */
.js [data-reveal] { opacity: 0; transform: translateY(26px); }
.js [data-reveal].is-in { opacity: 1; transform: none; transition: opacity .8s cubic-bezier(.2,0,0,1), transform .8s cubic-bezier(.2,0,0,1); }

/* ================= 响应式 ================= */
@media (max-height: 960px) and (min-width: 900px) {
  .hero { padding-top: 92px; }
  .hero-title { font-size: clamp(36px, 5.4vw, 62px); }
  .hero-lede { margin-top: 16px; }
  .hero-actions { margin-top: 22px; }
}
@media (max-width: 1080px) {
  .craft-grid { grid-template-columns: repeat(3, 1fr); }
  .dl-grid { grid-template-columns: repeat(2, 1fr); }
  .app { grid-template-columns: 210px 1fr; }
  .app-detail { display: none; }
}
@media (max-width: 900px) {
  .agent-grid { grid-template-columns: 1fr; gap: 40px; }
  .agent-pin { padding: 70px 0; }
  .agent-stagebox { min-height: 520px; }
  .scene-dots { right: 8px; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 32px 20px; }
  .transfer-details { grid-template-columns: 1fr; }
  .craft-grid { grid-template-columns: repeat(2, 1fr); }
  .future-list li { grid-template-columns: 1fr; gap: 8px; }
  .phonewin { display: none; }
  .nav-links { display: none; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .hud-chip { font-size: 10.5px; padding: 4px 9px 4px 7px; }
  .hud-chip .sub { display: none; }
  .hero-transfer-chip { font-size: 12px; padding: 8px 14px; max-width: 86vw; bottom: 64px; }
  .hero-hint { font-size: 12px; bottom: 16px; padding: 0 24px; }
  .wrap { padding: 0 22px; }
  .hero { padding-top: 104px; }
  .hero-actions { flex-direction: column; gap: 10px; }
  .hero-status { gap: 10px; font-size: 12px; }
  .hero-status .sep { display: none; }
  .craft-grid { grid-template-columns: 1fr; }
  .dl-grid { grid-template-columns: 1fr; }
  .app { grid-template-columns: 1fr; height: 500px; }
  .app-side { display: none; }
  .lab-row { align-items: flex-start; }
  .lab-label { min-width: 100%; }
  .join-acts { flex-direction: column; }
}

/* ================= 降级与无障碍 ================= */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001s !important; transition-duration: .001s !important; animation-iteration-count: 1 !important; }
  .js [data-reveal] { opacity: 1; transform: none; }
  .hero-hint { display: none; }
}
/* 无 JS 时的完整可读降级 */
html:not(.js) .agent-stagebox { min-height: 0; }
html:not(.js) .chatwin {
  position: relative; inset: auto; opacity: 1; transform: none;
  pointer-events: auto; margin: 14px 0 26px;
}
html:not(.js) .cmsg, html:not(.js) .term, html:not(.js) .api-chips { opacity: 1; transform: none; }
html:not(.js) .cmsg[data-hide-after] { display: none; }
html:not(.js) .agent-step { opacity: 1; }
html:not(.js) .scene-dots { display: none; }
:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; border-radius: 4px; }