:root {
      --bg: #fff8df;
      --panel: rgba(255, 255, 255, 0.74);
      --panel-2: rgba(255, 255, 255, 0.92);
      --line: rgba(23, 24, 31, 0.11);
      --line-strong: rgba(23, 24, 31, 0.18);
      --text: #17181f;
      --muted: #6d6471;
      --accent: #ff5a1f;
      --accent-strong: #ff2f7d;
      --accent-soft: rgba(255, 90, 31, 0.15);
      --cool: #17c8ff;
      --warm: #fff2b8;
      --lime: #caff34;
      --pink: #ff4fb8;
      --violet: #7b61ff;
      --danger: #ff3164;
      --shadow: 0 28px 80px rgba(255, 90, 31, 0.18);
      --font-display: "Syne", sans-serif;
      --font-zh-display: "Noto Serif SC", "Songti SC", serif;
      --font-body: "Inter", sans-serif;
      --font-mono: "IBM Plex Mono", monospace;
      --composer-width: min(100%, 820px);
    }

    * { box-sizing: border-box; margin: 0; padding: 0; }
    html, body { min-height: 100%; }
    body {
      font-family: var(--font-body);
      color: var(--text);
      background:
        radial-gradient(circle at 12% 16%, rgba(255, 79, 184, 0.28), transparent 24%),
        radial-gradient(circle at 86% 14%, rgba(23, 200, 255, 0.28), transparent 22%),
        radial-gradient(circle at 78% 78%, rgba(202, 255, 52, 0.38), transparent 28%),
        linear-gradient(135deg, #fff8df 0%, #fff5f8 42%, #eaf8ff 100%);
      overflow: hidden;
    }
    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: 0.42;
      background-image:
        linear-gradient(rgba(23,24,31,0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(23,24,31,0.045) 1px, transparent 1px);
      background-size: 54px 54px;
    }
    body::after {
      content: "";
      position: fixed;
      left: 8vw;
      right: 8vw;
      top: 18vh;
      height: 1px;
      pointer-events: none;
      background: linear-gradient(90deg, transparent, rgba(255, 47, 125, 0.32), rgba(23, 200, 255, 0.42), rgba(202, 255, 52, 0.34), transparent);
      opacity: 0.75;
      transform: perspective(900px) rotateX(62deg);
      animation: horizonBreath 6s ease-in-out infinite alternate;
    }
    button, textarea, input { font: inherit; }
    button { cursor: pointer; }
    a { color: inherit; text-decoration: none; }

    .app {
      position: relative;
      z-index: 1;
      display: flex;
      flex-direction: column;
      height: 100vh;
      height: 100dvh;
      min-height: 640px;
      overflow: hidden;
      padding: 24px;
    }

    .topbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 8px;
    }
    .panel-nav {
      display: flex;
      flex-wrap: wrap;
      gap: clamp(10px, 16px, 24px);
      justify-content: flex-end;
      margin-left: auto;
    }
    .top-actions {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 4px;
      padding: 4px;
      border: 1px solid rgba(23, 24, 31, 0.1);
      border-radius: 22px;
      background: rgba(255, 255, 255, 0.52);
      backdrop-filter: blur(16px);
      box-shadow: 0 14px 40px rgba(23, 24, 31, 0.08);
    }
    .panel-tab {
      min-height: 38px;
      padding: 0 14px;
      border-radius: 16px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.56);
      color: var(--muted);
      box-shadow: 0 10px 30px rgba(23, 24, 31, 0.06);
    }
    .panel-tab.is-active {
      border-color: rgba(255, 90, 31, 0.42);
      background: linear-gradient(135deg, #ff5a1f, #ff4fb8);
      color: var(--text);
      box-shadow: 0 16px 38px rgba(255, 79, 184, 0.22);
    }
    .panel-viewport {
      flex: 1;
      min-height: 0;
      overflow: hidden;
      border-radius: 34px;
    }
    .panel-track {
      display: grid;
      grid-auto-flow: column;
      grid-auto-columns: 100%;
      height: 100%;
      transition: transform 0.52s cubic-bezier(.2,.8,.2,1);
    }
    .panel {
      min-width: 0;
      min-height: 0;
      display: flex;
      flex-direction: column;
    }
    .panel-scroll {
      grid-area: content;
      min-height: 0;
      overflow: auto;
      padding-right: 4px;
    }
    .pricing-strip {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 20px;
    }
    .price-card {
      border-radius: 18px;
      border: 1px solid var(--line);
      padding: 14px 16px;
      backdrop-filter: blur(14px);
      transition: 0.2s ease;
      box-shadow: 0 18px 44px rgba(23, 24, 31, 0.07);
    }
    .price-card.featured {
      border-color: rgba(255, 79, 184, 0.4);
      background: linear-gradient(135deg, rgba(255, 79, 184, 0.18), rgba(23, 200, 255, 0.13)), rgba(255,255,255,0.84);
    }
    .price-card.is-selectable {
      cursor: pointer;
    }
    .price-card.is-selected {
      border-color: rgba(255, 90, 31, 0.55);
      background: linear-gradient(135deg, rgba(255, 90, 31, 0.22), rgba(202, 255, 52, 0.28)), rgba(255,255,255,0.88);
      box-shadow: 0 0 0 4px rgba(255, 90, 31, 0.12), 0 22px 60px rgba(255, 90, 31, 0.18);
    }
    .price-tier {
      font-family: var(--font-mono);
      font-size: 11px;
      color: var(--muted);
      text-transform: uppercase;
      letter-spacing: 0.08em;
    }
    .price-value {
      margin-top: 6px;
      font-family: var(--font-display);
      font-size: 30px;
      line-height: 0.95;
      letter-spacing: 0;
    }
    .price-desc {
      margin-top: 8px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.55;
    }
    .faq-grid {
      display: grid;
      grid-template-columns: repeat(1, minmax(0, 1fr));
      gap: 10px;
    }
    .faq-card {
      border-radius: 20px;
      border: 1px solid rgba(23, 24, 31, 0.1);
      backdrop-filter: blur(16px);
      padding: 18px;
      position: relative;
      overflow: hidden;
    }
    .faq-card::after {
      content: "";
      position: absolute;
      right: -28px;
      top: -28px;
      width: 86px;
      height: 86px;
      border-radius: 999px;
      background: radial-gradient(circle, rgba(255, 90, 31, 0.18), transparent 68%);
    }
    .faq-q {
      position: relative;
      z-index: 1;
      font-family: var(--font-zh-display);
      font-size: 20px;
      line-height: 1.18;
      color: var(--text);
    }
    .faq-card p {
      position: relative;
      z-index: 1;
      margin: 14px 0 0;
      color: rgba(23, 24, 31, 0.68);
      font-size: 14px;
      line-height: 1.72;
    }
    .case-shell {
      width: min(100%, 1180px);
    }
    .case-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 20px;
      align-items: stretch;
    }
    .case-card {
      min-height: 280px;
      border-radius: 22px;
      border: 1px solid rgba(23, 24, 31, 0.1);
      background:
        radial-gradient(circle at 24% 18%, rgba(255, 90, 31, 0.18), transparent 28%),
        linear-gradient(145deg, rgba(255,255,255,0.88), rgba(255,255,255,0.58));
      color: var(--text);
      padding: 0;
      display: grid;
      grid-template-rows: minmax(0, 1fr) auto;
      overflow: hidden;
      position: relative;
      transition: transform 0.25s ease, border-color 0.25s ease;
    }
    .case-card-1 {
      background:
        radial-gradient(circle at 24% 18%, rgba(255, 59, 0, 0.22), transparent 30%),
        linear-gradient(145deg, rgba(255,255,255,0.08), rgba(255,255,255,0.025));
    }
    .case-card-2 {
      background:
        radial-gradient(circle at 24% 18%, rgba(212, 175, 55, 0.2), transparent 30%),
        linear-gradient(145deg, rgba(255,255,255,0.08), rgba(255,255,255,0.025));
    }
    .case-card-3 {
      background:
        radial-gradient(circle at 24% 18%, rgba(45, 90, 39, 0.24), transparent 30%),
        linear-gradient(145deg, rgba(255,255,255,0.08), rgba(255,255,255,0.025));
    }
    .case-card-4 {
      background:
        radial-gradient(circle at 24% 18%, rgba(232, 168, 56, 0.2), transparent 30%),
        linear-gradient(145deg, rgba(255,255,255,0.08), rgba(255,255,255,0.025));
    }
    .case-card::after {
      content: "";
      position: absolute;
      right: -48px;
      top: -48px;
      width: 160px;
      height: 160px;
      border-radius: 42px;
      border: 1px solid rgba(204, 255, 0, 0.18);
      transform: rotate(14deg);
    }
    .case-card:hover {
      transform: translateY(-4px);
      border-color: rgba(255, 90, 31, 0.45);
    }
    .case-preview {
      aspect-ratio: 16 / 9;
      min-height: 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      background: rgba(255, 255, 255, 0.5);
      overflow: hidden;
      position: relative;
    }
    .case-preview::after {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(180deg, transparent 58%, rgba(255, 248, 223, 0.82)),
        radial-gradient(circle at 50% 0%, rgba(255, 90, 31, 0.1), transparent 45%);
      pointer-events: none;
    }
    .case-preview img {
      width: 100%;
      height: 100%;
      display: block;
      object-fit: cover;
      object-position: top center;
      filter: saturate(0.92) contrast(1.02);
      transition: transform 0.32s ease;
    }
    .case-card:hover .case-preview img {
      transform: scale(1.03);
    }
    .case-content {
      display: grid;
      gap: 8px;
      padding: 14px;
      position: relative;
      z-index: 1;
    }
    .case-tag {
      width: fit-content;
      border-radius: 999px;
      border: 1px solid rgba(204, 255, 0, 0.22);
      color: var(--accent);
      font-family: var(--font-mono);
      font-size: 10px;
      letter-spacing: 0.08em;
      padding: 7px 9px;
      text-transform: uppercase;
    }
    .case-card h3 {
      max-width: 10ch;
      font-family: var(--font-zh-display);
      font-size: 25px;
      line-height: 1.08;
    }
    .case-card p {
      color: var(--muted);
      line-height: 1.55;
      max-width: 36ch;
      font-size: 12px;
    }
    .case-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      color: var(--muted);
      font-family: var(--font-mono);
      font-size: 10px;
      text-transform: uppercase;
      letter-spacing: 0.08em;
    }
    .case-meta span {
      border: 1px solid var(--line);
      border-radius: 999px;
      padding: 7px 9px;
      background: rgba(255, 255, 255, 0.03);
    }
    .case-more-row {
      display: flex;
      justify-content: center;
      margin-top: 18px;
      padding-bottom: 8px;
    }
    .case-more-link {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 42px;
      padding: 0 18px;
      border-radius: 999px;
      border: 1px solid rgba(23, 24, 31, 0.12);
      background: rgba(255, 255, 255, 0.78);
      color: var(--text);
      box-shadow: 0 14px 34px rgba(23, 24, 31, 0.08);
      transition: transform 0.18s ease, border-color 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
    }
    .case-more-link:hover {
      transform: translateY(-1px);
      border-color: rgba(255, 90, 31, 0.36);
      color: var(--accent);
      box-shadow: 0 18px 40px rgba(255, 90, 31, 0.14);
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-family: var(--font-display);
      font-size: 24px;
      font-weight: 700;
      letter-spacing: 0;
    }
    .brand-mark {
      width: 30px;
      height: 30px;
      border-radius: 10px;
      box-shadow: 0 0 22px rgba(204, 255, 0, 0.16);
    }
    .ghost-btn,
    .accent-btn,
    .muted-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 40px;
      border-radius: 18px;
      padding: 0 14px;
      border: 1px solid var(--line-strong);
      background: rgba(255, 255, 255, 0.64);
      color: var(--text);
      transition: 0.2s ease;
      font-weight: 600;
    }
    .ghost-btn:hover,
    .muted-btn:hover {
      border-color: var(--accent);
      color: var(--accent);
      background: rgba(255, 90, 31, 0.1);
    }
    .accent-btn {
      border-color: transparent;
      background: linear-gradient(135deg, var(--accent), var(--accent-strong));
      color: #17181f;
    }
    .accent-btn:hover {
      background: var(--accent-strong);
    }
    .muted-btn {
      color: var(--muted);
    }
    .human-top-btn,
    .milo-top-btn {
      width: 40px;
      height: 40px;
      padding: 0;
      border: 1px solid rgba(23, 24, 31, 0.1);
      border-radius: 16px;
      background: linear-gradient(135deg, rgba(255,255,255,0.82), rgba(255, 248, 223, 0.72));
      box-shadow: 0 12px 30px rgba(23, 24, 31, 0.08);
      display: inline-grid;
      place-items: center;
      overflow: hidden;
      transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    }
    .human-top-btn {
      background: linear-gradient(135deg, rgba(255,255,255,0.9), rgba(255, 242, 184, 0.74));
    }
    .human-top-btn img,
    .milo-top-btn img {
      width: 100%;
      height: 100%;
      display: block;
      object-fit: cover;
      object-position: center;
    }
    .human-top-btn:hover,
    .milo-top-btn:hover {
      transform: translateY(-1px) scale(1.03);
      border-color: rgba(255, 90, 31, 0.46);
      box-shadow: 0 16px 38px rgba(255, 90, 31, 0.18);
    }
    .made-by {
      position: fixed;
      left: 50%;
      bottom: 12px;
      z-index: 17;
      transform: translateX(-50%);
      border: 1px solid rgba(23, 24, 31, 0.08);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.52);
      backdrop-filter: blur(14px);
      color: rgba(23, 24, 31, 0.54);
      font-family: var(--font-mono);
      font-size: 10px;
      letter-spacing: 0.12em;
      padding: 7px 10px;
      text-transform: uppercase;
      transition: 0.18s ease;
    }
    .made-by:hover {
      color: var(--accent);
      transform: translateX(-50%) translateY(-1px);
      background: rgba(255, 255, 255, 0.74);
    }

    .stage {
      flex: 1;
      min-height: 0;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      position: relative;
      isolation: isolate;
    }
    .intake-layout {
      flex: 1;
      min-height: 0;
      display: grid;
      grid-template-rows: minmax(0, 1fr) auto;
      gap: 14px;
    }

    .hero {
      flex: 1;
      min-height: 0;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: clamp(22px, 4vh, 54px) clamp(18px, 4vw, 58px) 24px;
      gap: clamp(26px, 4vh, 54px);
      transition: padding 0.35s ease;
      position: relative;
      overflow: hidden;
    }
    .hero::before {
      content: "";
      position: absolute;
      inset: clamp(8px, 2vw, 22px);
      border-radius: 34px;
      border: 1px solid rgba(23, 24, 31, 0.08);
      background:
        linear-gradient(rgba(23,24,31,0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(23,24,31,0.045) 1px, transparent 1px),
        radial-gradient(circle at 50% 48%, rgba(255, 90, 31, 0.18), transparent 30%),
        radial-gradient(circle at 76% 28%, rgba(23, 200, 255, 0.18), transparent 24%);
      background-size: 36px 36px, 36px 36px, 100% 100%, 100% 100%;
      mask-image: radial-gradient(circle at 50% 50%, transparent 0, transparent 13%, #000 34%, #000 100%);
      pointer-events: none;
      animation: atmosphereBreath 8s ease-in-out infinite alternate;
    }
    .hero::after {
      display: none;
    }
    .hero.is-active {
      padding-bottom: 172px;
    }
    .panel-page {
      display: grid;
      flex: 1;
      min-height: 0;
      place-items: stretch center;
      padding: clamp(22px, 4vh, 54px) clamp(18px, 4vw, 58px) 172px;
    }
    .info-shell {
      width: min(100%, 1160px);
      height: 100%;
      display: grid;
      grid-template-areas:
        "head"
        "safe"
        "content"
        ".";
      gap: clamp(18px, 3.4vh, 44px);
      align-content: stretch;
    }
    .info-head {
      grid-area: head;
      display: grid;
      gap: 14px;
      max-width: 680px;
      align-content: end;
    }
    .info-head h2 {
      font-family: var(--font-display);
      font-size: 72px;
      line-height: 0.95;
      letter-spacing: 0;
    }
    .info-head .panel-subtitle {
      font-size: 42px;
      line-height: 1.05;
    }
    .info-head p {
      color: var(--muted);
      line-height: 1.7;
    }
    .payment-note {
      display: grid;
      gap: 8px;
      margin-bottom: 14px;
      max-width: 720px;
    }
    .payment-note h2 {
      font-family: var(--font-display);
      font-size: 32px;
      line-height: 1;
      letter-spacing: 0;
    }
    .payment-note p {
      color: var(--muted);
      line-height: 1.6;
      font-size: 13px;
    }
    .hero-shell {
      width: min(100%, 1240px);
      display: grid;
      min-height: auto;
      grid-template-columns: minmax(0, 1fr);
      grid-template-rows: auto;
      grid-template-areas:
        "copy";
      gap: 0;
      align-content: center;
      align-items: stretch;
      transition: all 0.35s ease;
      position: relative;
      z-index: 1;
    }
    .hero-shell.is-active {
      align-content: center;
    }
    .hero-shell.is-ready {
      gap: clamp(18px, 3vh, 42px);
    }
    .hero-shell.is-active {
      gap: clamp(8px, 1.6vh, 20px);
    }

    .hero-copy {
      grid-area: copy;
      text-align: center;
      display: grid;
      gap: 10px;
      align-content: end;
      justify-items: center;
      transition: all 0.35s ease;
      animation: riseIn 0.62s ease both;
      transform: none;
    }
    .hero-shell.is-ready .hero-copy {
      transform: translateY(-14px) scale(0.94);
      opacity: 0.62;
    }
    .hero-shell.is-active .hero-copy {
      text-align: center;
      gap: 10px;
      transform: translateY(-18px) scale(0.9);
      opacity: 0.5;
    }
    .hero-label {
      color: var(--accent);
      font-family: var(--font-mono);
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.12em;
      animation: softBlink 4.8s ease-in-out infinite;
    }
    .hero-title {
      font-family: var(--font-zh-display);
      font-size: clamp(32px, 5vw, 64px);
      line-height: 1.5;
      letter-spacing: 0;
      max-width: min(28ch, 980px);
      min-height: 2.08em;
      margin: 0;
      text-wrap: balance;
      text-shadow: 0 10px 34px rgba(255, 90, 31, 0.14);
    }
    .hero-shell.is-active .hero-title {
      font-size: clamp(34px, 4.8vw, 66px);
      margin: 0;
      max-width: min(14ch, 920px);
    }
    .hero-shell.is-ready .hero-title {
      font-size: clamp(32px, 4.4vw, 62px);
    }
    .hero-title.is-switching {
      animation: heroTitleSwitch 0.58s cubic-bezier(.2,.8,.2,1) both;
    }
    .hero-sub {
      color: var(--muted);
      line-height: 1.7;
      max-width: 760px;
      margin: 0;
      font-size: 15px;
    }
    .hero-shell.is-active .hero-sub {
      max-width: 720px;
      margin: 0;
      font-size: 15px;
    }

    .team-rail {
      padding: 0 clamp(18px, 4vw, 58px) 172px;
      display: flex;
      justify-content: center;
      pointer-events: auto;
      position: relative;
      z-index: 2;
    }
    .team-brief {
      width: var(--composer-width);
      max-width: 760px;
      margin: 0 auto;
      padding: 10px;
      display: grid;
      gap: 10px;
      align-content: start;
      animation: riseIn 0.62s ease 0.12s both;
      transition: opacity 0.28s ease, transform 0.32s cubic-bezier(.2,.8,.2,1), filter 0.28s ease;
    }
    .team-kicker {
      text-align: center;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.65;
      max-width: 720px;
      margin: 0 auto;
    }
    .agent-grid {
      display: grid;
      grid-template-columns: repeat(5, minmax(0, 1fr));
      gap: 8px;
      align-items: start;
    }
    .agent-card,
    .human-widget {
      border-radius: 14px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.7);
      backdrop-filter: blur(16px);
      padding: 7px;
      min-height: 54px;
      position: relative;
      overflow: hidden;
      transition: transform 0.22s ease, border-color 0.22s ease, background 0.22s ease;
      box-shadow: 0 14px 36px rgba(23, 24, 31, 0.08);
    }
    .agent-card {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
      cursor: pointer;
    }
    .agent-card::after,
    .human-widget::after {
      content: "";
      position: absolute;
      right: 9px;
      top: 9px;
      width: 6px;
      height: 6px;
      border-radius: 999px;
      background: var(--pink);
      box-shadow: 0 0 0 0 rgba(255, 79, 184, 0.32);
      animation: statusPulse 2.4s ease-in-out infinite;
    }
    .agent-card:hover {
      transform: translateY(-1px);
      border-color: rgba(23, 24, 31, 0.18);
    }
    .agent-name {
      font-size: 11px;
      font-weight: 800;
      line-height: 1.2;
    }
    .agent-copy {
      min-width: 0;
      flex: 1 1 auto;
    }
    .agent-status {
      margin-top: 4px;
      color: var(--muted);
      font-family: var(--font-mono);
      font-size: 10px;
      line-height: 1.2;
    }
    .agent-detail {
      display: none;
      width: 100%;
      padding-top: 8px;
      margin-top: 2px;
      border-top: 1px solid rgba(23, 24, 31, 0.08);
      color: rgba(23, 24, 31, 0.72);
      font-size: 11px;
      line-height: 1.55;
    }
    .agent-card.is-open {
      min-height: 132px;
      align-items: flex-start;
      border-color: rgba(255, 90, 31, 0.44);
      background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(255, 237, 169, 0.88));
      box-shadow: 0 24px 54px rgba(255, 90, 31, 0.14);
      transform: translateY(-2px);
    }
    .agent-card.is-open .agent-avatar {
      border-color: rgba(255, 90, 31, 0.42);
      box-shadow: 0 0 0 4px rgba(255, 90, 31, 0.08);
    }
    .agent-card.is-open .agent-detail {
      display: block;
      animation: riseIn 0.22s ease both;
    }
    .agent-avatar {
      width: 36px;
      height: 36px;
      flex: 0 0 auto;
      border-radius: 13px;
      display: grid;
      place-items: center;
      border: 1px solid var(--line-strong);
      background: rgba(255, 255, 255, 0.88);
      color: var(--accent);
      font-size: 12px;
      font-weight: 800;
      overflow: hidden;
    }
    .team-stats {
      padding: 20px;
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 8px;
    }
    .team-stat {
      padding: 8px 9px;
      text-align: center;
    }
    .team-stat strong {
      display: block;
      font-family: var(--font-display);
      font-size: 22px;
      line-height: 0.95;
    }
    .team-stat span {
      display: block;
      margin-top: 4px;
      color: var(--muted);
      font-size: 10px;
      font-weight: 700;
      white-space: nowrap;
    }
    .agent-avatar img {
      width: 100%;
      height: 100%;
      display: block;
      object-fit: cover;
      object-position: center;
    }
    .human-widget {
      display: flex;
      align-items: center;
      gap: 8px;
      background:
        linear-gradient(135deg, rgba(255, 242, 184, 0.7), rgba(255, 255, 255, 0.72)),
        rgba(255, 255, 255, 0.72);
    }
    .human-widget-head {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 8px;
    }
    .human-avatar {
      width: 30px;
      height: 30px;
      flex: 0 0 auto;
      border-radius: 11px;
      display: grid;
      place-items: center;
      background: var(--warm);
      color: var(--text);
      font-weight: 800;
    }
    .human-role {
      color: var(--muted);
      font-size: 11px;
      line-height: 1.35;
    }

    .capabilities {
      position: fixed;
      bottom: 64px;
      z-index: 16;
      min-height: 34px;
      display: flex;
      align-items: center;
      opacity: 0.96;
      animation: riseIn 0.62s ease 0.2s both;
    }
    .capabilities-track {
      display: flex;
      align-items: center;
      gap: 8px;
      width: max-content;
      padding: 5px 8px;
      animation: capabilityMarquee 24s linear infinite;
    }
    .capabilities:hover .capabilities-track {
      animation-play-state: paused;
    }
    .capability-pill {
      border: 1px solid rgba(23, 24, 31, 0.1);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.66);
      color: rgba(23, 24, 31, 0.76);
      padding: 6px 9px;
      font-size: 10px;
      line-height: 1;
      white-space: nowrap;
      box-shadow: 0 8px 18px rgba(23, 24, 31, 0.05);
    }
    .capability-pill-1 {
      background: rgba(255, 90, 31, 0.12);
    }
    .capability-pill-2 {
      background: rgba(23, 200, 255, 0.12);
    }
    .capability-pill-3 {
      background: rgba(202, 255, 52, 0.2);
    }
    .human-widget strong {
      font-size: 13px;
    }
    .human-wechat {
      display: flex;
      justify-content: space-between;
      gap: 8px;
      align-items: center;
      color: var(--muted);
      font-size: 11px;
      line-height: 1.35;
    }
    .human-widget .mini-copy {
      min-height: 30px;
      padding: 0 9px;
      border-radius: 12px;
      border: 1px solid var(--line-strong);
      background: rgba(255, 255, 255, 0.7);
      color: var(--text);
      font-size: 11px;
      font-weight: 700;
    }

    .chips {
      display: flex;
      flex-wrap: wrap;
      align-content: flex-start;
      justify-content: center;
      gap: 7px;
      animation: riseIn 0.62s ease 0.32s both;
      width: min(100%, 520px);
      max-height: clamp(0px, calc((100dvh - 690px) * 0.46), 232px);
      margin: 0 auto;
      overflow: auto;
      scrollbar-width: thin;
      scrollbar-color: rgba(23, 24, 31, 0.2) transparent;
      transition: max-height 0.28s ease, opacity 0.24s ease, transform 0.28s ease;
    }
    .chips::-webkit-scrollbar {
      width: 6px;
    }
    .chips::-webkit-scrollbar-thumb {
      background: rgba(23, 24, 31, 0.16);
      border-radius: 999px;
    }
    .composer-zone:has(.composer-box.is-ready) .chips,
    .composer-zone.is-expanded .chips {
      max-height: 0;
      opacity: 0;
      transform: translateY(-10px);
      pointer-events: none;
    }
    .chip {
      width: auto;
      flex: 0 0 auto;
      min-height: 32px;
      border-radius: 999px;
      border: 1px solid rgba(23, 24, 31, 0.08);
      background: rgba(255, 255, 255, 0.72);
      color: rgba(23, 24, 31, 0.72);
      padding: 0 12px;
      font-size: 12px;
      font-weight: 700;
      text-align: left;
      white-space: nowrap;
      backdrop-filter: blur(14px);
      box-shadow: 0 10px 24px rgba(23, 24, 31, 0.05);
      transition: transform 0.18s ease, border-color 0.18s ease, color 0.18s ease, background 0.18s ease;
      animation: chipDrift 4.8s ease-in-out infinite;
    }
    .chip:hover {
      color: var(--text);
      border-color: var(--accent);
      transform: translateY(-1px) translateX(2px);
      background: rgba(255, 90, 31, 0.12);
    }
    .chip-1 { background: rgba(255, 90, 31, 0.14); animation-delay: 0s; }
    .chip-2 { background: rgba(23, 200, 255, 0.14); animation-delay: 0.12s; }
    .chip-3 { background: rgba(202, 255, 52, 0.22); animation-delay: 0.24s; }
    .chip-4 { background: rgba(255, 79, 184, 0.13); animation-delay: 0.36s; }
    .chip-5 { background: rgba(255, 205, 68, 0.2); animation-delay: 0.48s; }
    .chip-6 { background: rgba(88, 114, 255, 0.13); animation-delay: 0.6s; }
    .chip-7 { background: rgba(255, 255, 255, 0.78); animation-delay: 0.72s; }
    .chip-8 { background: rgba(67, 226, 188, 0.14); animation-delay: 0.84s; }
    .chip-9 { background: rgba(255, 144, 102, 0.16); animation-delay: 0.96s; }
    .chip-10 { background: rgba(23, 24, 31, 0.06); animation-delay: 1.08s; }
    @media (max-height: 760px) {
      .chips {
        max-height: clamp(0px, calc((100dvh - 640px) * 0.38), 92px);
      }
    }
    @media (min-height: 920px) {
      .chips {
        max-height: 260px;
      }
    }

    .conversation {
      display: none;
      min-height: 0;
      overflow: hidden;
    }
    .composer-box.is-expanded .conversation {
      display: flex;
      flex-direction: column;
      flex: 1;
    }
    .conversation-head {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      padding: 10px 12px;
      border-bottom: 1px solid var(--line);
    }
    .clear-chat-btn,
    .collapse-chat-btn {
      min-height: 32px;
      border: 1px solid var(--line);
      border-radius: 14px;
      background: rgba(255, 255, 255, 0.72);
      color: var(--muted);
      padding: 0 10px;
      font-size: 12px;
      font-weight: 700;
      transition: 0.18s ease;
    }
    .clear-chat-btn {
      color: var(--text);
      background: rgba(255, 90, 31, 0.1);
      border-color: rgba(255, 90, 31, 0.22);
    }
    .clear-chat-btn:hover,
    .collapse-chat-btn:hover {
      border-color: rgba(255, 90, 31, 0.36);
      color: var(--accent);
      background: rgba(255, 90, 31, 0.1);
    }

    .chat-stream {
      flex: 1;
      min-height: 0;
      overflow-y: auto;
      padding: 14px;
      display: flex;
      flex-direction: column;
      gap: 12px;
      scroll-behavior: smooth;
    }
    .message {
      display: flex;
      gap: 10px;
      align-items: flex-start;
    }
    .message.user {
      flex-direction: row-reverse;
    }
    .avatar {
      flex-shrink: 0;
      width: 30px;
      height: 30px;
      border-radius: 10px;
      display: grid;
      place-items: center;
      border: 1px solid var(--line-strong);
      font-family: var(--font-mono);
      font-size: 12px;
      background: rgba(255, 90, 31, 0.12);
      color: var(--accent);
      overflow: hidden;
    }
    .avatar img {
      width: 100%;
      height: 100%;
      display: block;
      object-fit: cover;
      object-position: center;
    }
    .avatar.avatar-image {
      background: rgba(245, 243, 239, 0.08);
      padding: 0;
    }
    .message.user .avatar {
      background: rgba(255, 255, 255, 0.9);
      color: var(--text);
    }
    .bubble {
      max-width: min(92%, 720px);
      border-radius: 18px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.78);
      padding: 13px 14px;
      line-height: 1.68;
      white-space: pre-wrap;
    }
    .message.agent .bubble {
      border-top-left-radius: 8px;
    }
    .message.user .bubble {
      border-top-right-radius: 8px;
      background: linear-gradient(135deg, rgba(202, 255, 52, 0.36), rgba(255, 255, 255, 0.78));
      border-color: rgba(255, 90, 31, 0.18);
    }
    .message-widget {
      width: min(100%, 340px);
      border-radius: 20px;
      border: 1px solid var(--line-strong);
      background: rgba(255, 255, 255, 0.74);
      padding: 12px;
    }
    .message-widget .human-widget {
      min-height: 0;
      border: none;
      background: transparent;
      padding: 0;
      backdrop-filter: none;
    }
    .message.is-loading .avatar {
      animation: agentPulse 1.4s ease-in-out infinite;
    }
    .message.is-loading .bubble {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      min-width: 190px;
      color: var(--muted);
      border-color: rgba(255, 90, 31, 0.2);
      background:
        linear-gradient(90deg, rgba(255, 90, 31, 0.12), rgba(23, 200, 255, 0.08)),
        rgba(255, 255, 255, 0.78);
    }
    .loading-label {
      color: rgba(23, 24, 31, 0.82);
      font-size: 13px;
      line-height: 1;
      margin-right: 4px;
      white-space: nowrap;
    }
    .typing-dot {
      width: 7px;
      height: 7px;
      border-radius: 999px;
      background: currentColor;
      opacity: 0.3;
      animation: typingBlink 1s ease-in-out infinite;
    }
    .typing-dot:nth-child(2) {
      animation-delay: 0.16s;
    }
    .typing-dot:nth-child(3) {
      animation-delay: 0.32s;
    }
    @keyframes typingBlink {
      0%, 80%, 100% { opacity: 0.22; transform: translateY(0); }
      40% { opacity: 0.95; transform: translateY(-2px); }
    }
    @keyframes agentPulse {
      0%, 100% { box-shadow: 0 0 0 0 rgba(255, 90, 31, 0); }
      50% { box-shadow: 0 0 0 8px rgba(255, 90, 31, 0.1); }
    }
    .meta-line {
      margin-top: 8px;
      font-size: 11px;
      color: var(--muted);
      font-family: var(--font-mono);
    }

    .payment-card {
      display: none;
      width: calc(100% - 28px);
      margin: 0 14px 14px;
      max-height: min(28vh, 264px);
      overflow: visible;
      gap: 10px;
      align-items: flex-start;
    }
    .payment-card.show {
      display: flex;
    }
    .payment-agent-avatar {
      flex: 0 0 auto;
      width: 30px;
      height: 30px;
      border-radius: 10px;
      overflow: hidden;
      border: 1px solid var(--line-strong);
      background: rgba(245, 243, 239, 0.08);
    }
    .payment-agent-avatar img {
      width: 100%;
      height: 100%;
      display: block;
      object-fit: cover;
      object-position: center;
    }
    .payment-bubble {
      flex: 1;
      min-width: 0;
      max-height: min(28vh, 264px);
      overflow: auto;
      border-radius: 18px;
      border: 1px solid var(--line);
      border-top-left-radius: 8px;
      background: rgba(255, 255, 255, 0.88);
      backdrop-filter: blur(18px);
      box-shadow: 0 18px 52px rgba(23, 24, 31, 0.1);
      padding: 12px;
    }
    .payment-tag {
      display: inline-flex;
      border-radius: 14px;
      border: 1px solid rgba(255, 90, 31, 0.12);
      background: rgba(255, 90, 31, 0.08);
      color: var(--accent);
      font-family: var(--font-mono);
      font-size: 11px;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      padding: 6px 9px;
      margin-bottom: 10px;
    }
    .payment-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 10px;
      align-items: start;
    }
    .payment-grid h3 {
      font-size: 17px;
      margin-bottom: 4px;
    }
    .payment-grid p {
      color: var(--muted);
      line-height: 1.45;
      max-width: 50ch;
      font-size: 12px;
    }
    .payment-price {
      font-family: var(--font-display);
      font-size: 30px;
      line-height: 0.9;
      letter-spacing: 0;
      white-space: nowrap;
    }
    .inline-price-strip {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 8px;
      margin-top: 10px;
    }
    .inline-price-pill {
      min-height: 58px;
      padding: 10px 12px;
      border-radius: 16px;
      border: 1px solid rgba(23, 24, 31, 0.08);
      background: linear-gradient(180deg, rgba(255,255,255,0.94), rgba(255,248,223,0.86));
      color: rgba(23, 24, 31, 0.78);
      text-align: left;
      display: grid;
      gap: 4px;
      align-content: center;
      box-shadow: 0 10px 24px rgba(23, 24, 31, 0.06);
      transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
      cursor: pointer;
    }
    .inline-price-pill strong {
      display: block;
      font-size: 15px;
      line-height: 1;
      font-weight: 900;
      color: var(--text);
    }
    .inline-price-pill span {
      display: block;
      font-size: 11px;
      line-height: 1.2;
      color: var(--muted);
    }
    .inline-price-pill:hover {
      transform: translateY(-1px);
      border-color: rgba(255, 90, 31, 0.22);
      box-shadow: 0 14px 30px rgba(255, 90, 31, 0.1);
    }
    .inline-price-pill.is-selected {
      border-color: rgba(255, 90, 31, 0.42);
      background: linear-gradient(180deg, rgba(255, 90, 31, 0.12), rgba(255, 255, 255, 0.94));
      color: var(--text);
      box-shadow: 0 0 0 3px rgba(255, 90, 31, 0.08);
    }
    .payment-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 10px;
    }
    .payment-actions.is-empty {
      display: none;
    }
    .my-vibepass-card {
      --vp-card-bg: rgba(16, 16, 19, 0.98);
      --vp-card-border: rgba(255, 255, 255, 0.12);
      --vp-code-bg: rgba(255, 255, 255, 0.04);
      --vp-btn-bg: #ccff00;
      --vp-btn-text: #070807;
      --vp-btn-border: rgba(204, 255, 0, 0.36);
      --vp-btn-radius: 14px;
      --vp-shadow: 0 36px 120px rgba(0, 0, 0, 0.44);
      --vp-accent: #ccff00;
      --vp-accent-border: rgba(204, 255, 0, 0.36);
    }
    .human-contact-layer {
      position: fixed;
      inset: 0;
      z-index: 30;
      display: grid;
      place-items: center;
      padding: 24px;
      background: rgba(255, 248, 223, 0.62);
      backdrop-filter: blur(18px) saturate(1.18);
      opacity: 0;
      visibility: hidden;
      pointer-events: none;
      transition: opacity 0.24s ease, visibility 0.24s ease;
    }
    .human-contact-layer.show {
      opacity: 1;
      visibility: visible;
      pointer-events: auto;
    }
    .human-contact-card {
      width: min(100%, 380px);
      border-radius: 30px;
      border: 1px solid rgba(23, 24, 31, 0.1);
      background:
        radial-gradient(circle at 82% 8%, rgba(255, 90, 31, 0.18), transparent 32%),
        linear-gradient(135deg, rgba(255,255,255,0.96), rgba(255, 242, 184, 0.9));
      box-shadow: 0 34px 110px rgba(23, 24, 31, 0.18);
      padding: 20px;
      position: relative;
      transform: translateY(12px) scale(0.98);
      transition: transform 0.28s cubic-bezier(.2,.8,.2,1);
    }
    .human-contact-layer.show .human-contact-card {
      transform: translateY(0) scale(1);
    }
    .human-contact-close {
      position: absolute;
      right: 14px;
      top: 14px;
      width: 34px;
      height: 34px;
      border-radius: 14px;
      border: 1px solid rgba(23, 24, 31, 0.08);
      background: rgba(255,255,255,0.66);
      color: var(--muted);
      font-size: 22px;
    }
    .human-contact-head {
      text-align: center;
    }
    .human-contact-head img {
      width: 128px;
      height: 128px;
      border-radius: 24px;
      object-fit: cover;
      box-shadow: 0 14px 34px rgba(23, 24, 31, 0.12);
      margin-bottom: 10px;
    }
    .human-contact-head strong {
      display: block;
      font-family: var(--font-zh-display);
      font-size: 24px;
      line-height: 1.1;
    }
    .human-contact-head span {
      display: block;
      margin-top: 5px;
      color: var(--muted);
      font-size: 13px;
    }
    .human-contact-card p {
      margin: 18px 0 0;
      color: rgba(23, 24, 31, 0.7);
      line-height: 1.7;
      font-size: 14px;
    }
    .human-contact-code {
      margin-top: 16px;
      border-radius: 18px;
      border: 1px dashed rgba(23, 24, 31, 0.16);
      background: rgba(255,255,255,0.62);
      padding: 12px;
      font-size: 13px;
      font-weight: 800;
      color: var(--text);
    }
    .human-contact-actions {
      display: flex;
      gap: 10px;
      margin-top: 16px;
    }

    .composer-zone {
      width: min(100% - 48px, 760px);
      display: grid;
      gap: clamp(22px, 3.2vh, 36px);
      position: relative;
      z-index: 18;
      transform: none;
      pointer-events: auto;
      animation: dockRise 0.62s ease 0.24s both;
      transition: opacity 0.26s ease, transform 0.32s cubic-bezier(.2,.8,.2,1), visibility 0.26s ease;
    }
    .composer-zone.is-hidden {
      opacity: 0;
      visibility: hidden;
      pointer-events: none;
      transform: translateY(-10px) scale(0.96);
    }
    .composer-zone::before {
      content: "";
      position: fixed;
      inset: -100vh -100vw;
      z-index: -1;
      opacity: 0;
      pointer-events: none;
      background:
        radial-gradient(circle at 50% 50%, rgba(255, 90, 31, 0.16), transparent 24%),
        radial-gradient(circle at 68% 36%, rgba(23, 200, 255, 0.12), transparent 20%),
        rgba(255, 248, 223, 0.84);
      backdrop-filter: blur(14px) saturate(1.25);
      transition: opacity 0.32s ease;
    }
    .composer-zone.is-expanded::before,
    .composer-zone:has(.composer-box.is-expanded)::before {
      opacity: 1;
    }
    .composer-zone > * {
      pointer-events: auto;
    }
    .composer-box {
      display: flex;
      flex-direction: column;
      width: min(100%, 560px);
      margin: 0 auto;
      border-radius: 28px;
      border: 1px solid rgba(23, 24, 31, 0.1);
      background: linear-gradient(135deg, var(--accent), var(--pink), var(--lime));
      backdrop-filter: blur(24px);
      box-shadow: 0 24px 90px rgba(255, 90, 31, 0.22), 0 22px 90px rgba(23, 24, 31, 0.14), inset 0 1px 0 rgba(255,255,255,0.55);
      overflow: hidden;
      min-height: 86px;
      max-height: 86px;
      cursor: pointer;
      position: relative;
      animation: livingPrompt 3.8s ease-in-out infinite;
      transition: width 0.32s cubic-bezier(.2,.8,.2,1), border-radius 0.32s ease, border-color 0.22s ease, box-shadow 0.22s ease, transform 0.22s ease, max-height 0.38s cubic-bezier(.2,.8,.2,1), background 0.22s ease;
    }
    .composer-idle {
      display: grid;
      grid-template-columns: auto 1fr;
      align-items: center;
      gap: 12px;
      min-height: 86px;
      padding: 10px 18px 10px 10px;
      color: var(--text);
      transition: opacity 0.18s ease, transform 0.18s ease;
    }
    .idle-avatar {
      width: 62px;
      height: 62px;
      border-radius: 22px;
      display: grid;
      place-items: center;
      background: rgba(255, 255, 255, 0.9);
      color: var(--accent);
      font-family: var(--font-zh-display);
      font-size: 25px;
      font-weight: 900;
      overflow: hidden;
      box-shadow: 0 10px 34px rgba(23, 24, 31, 0.12);
    }
    .idle-avatar img {
      width: 100%;
      height: 100%;
      display: block;
      object-fit: cover;
      object-position: center;
    }
    .idle-copy {
      display: grid;
      gap: 4px;
      min-width: 0;
    }
    .idle-copy strong {
      font-family: var(--font-zh-display);
      font-size: clamp(17px, 1.55vw, 22px);
      line-height: 1.18;
      letter-spacing: -0.02em;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .idle-copy span {
      color: rgba(23, 24, 31, 0.62);
      font-size: 13px;
      line-height: 1.4;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .composer-box.is-ready,
    .composer-box.is-expanded {
      width: 100%;
      border-radius: 24px;
      min-height: 92px;
      max-height: 92px;
      cursor: default;
      background:
        linear-gradient(135deg, rgba(255,255,255,0.96), rgba(255,255,255,0.78)),
        rgba(255, 255, 255, 0.9);
      border-color: var(--line-strong);
      animation: none;
    }
    .composer-box.is-ready {
      min-height: 132px;
      max-height: 560px;
    }
    .composer-box.is-ready .composer-idle,
    .composer-box.is-expanded .composer-idle {
      opacity: 0;
      transform: translateY(-6px);
      pointer-events: none;
      position: absolute;
      inset: 0;
    }
    .composer-box.is-focused,
    .composer-box.is-ready,
    .composer-box.is-expanded {
      border-color: var(--accent);
      box-shadow: 0 0 0 4px var(--accent-soft), 0 34px 120px rgba(255, 90, 31, 0.16), inset 0 1px 0 rgba(255,255,255,0.82);
    }
    .composer-box.is-expanded {
      max-height: min(58vh, 680px);
      transform: translateY(-2px);
      background:
        linear-gradient(135deg, rgba(255,255,255,0.98), rgba(255,248,223,0.96)),
        #fffdf7;
      border-color: rgba(255, 90, 31, 0.26);
      box-shadow: 0 0 0 1px rgba(255, 90, 31, 0.08), 0 42px 160px rgba(23, 24, 31, 0.18);
    }
    .composer-ready-head {
      display: none;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 13px 14px 0;
      color: var(--text);
    }
    .composer-box.is-ready .composer-ready-head {
      display: flex;
      animation: riseIn 0.24s ease both;
    }
    .composer-box.is-expanded .composer-ready-head {
      display: none;
    }
    .ready-agent {
      display: flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
    }
    .ready-avatar {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      display: grid;
      place-items: center;
      background: rgba(255, 255, 255, 0.82);
      border: 1px solid rgba(23, 24, 31, 0.1);
      color: var(--accent);
      font-family: var(--font-zh-display);
      font-size: 17px;
      font-weight: 900;
      overflow: hidden;
      box-shadow: 0 10px 24px rgba(23, 24, 31, 0.08);
    }
    .ready-avatar img {
      width: 100%;
      height: 100%;
      display: block;
      object-fit: cover;
      object-position: center;
    }
    .ready-agent strong,
    .ready-agent span {
      display: block;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .ready-agent strong {
      font-size: 15px;
      line-height: 1.2;
    }
    .ready-agent span {
      margin-top: 3px;
      color: var(--muted);
      font-size: 11px;
      line-height: 1.2;
    }
    .ready-status {
      border: 1px solid rgba(255, 90, 31, 0.26);
      border-radius: 999px;
      background: rgba(255, 90, 31, 0.08);
      color: var(--accent);
      font-family: var(--font-mono);
      font-size: 10px;
      letter-spacing: 0.08em;
      padding: 7px 9px;
      text-transform: uppercase;
    }
    .composer-panel {
      display: none;
      min-height: 0;
      flex: 1;
      border-bottom: 1px solid var(--line);
    }
    .composer-box.is-expanded .composer-panel {
      display: flex;
      flex-direction: column;
    }
    .composer-top {
      display: none;
      grid-template-columns: 1fr auto;
      gap: 10px;
      align-items: center;
      padding: 9px 10px 10px 14px;
    }
    .composer-box.is-ready .composer-top,
    .composer-box.is-expanded .composer-top {
      display: flex;
      align-items: center;
    }
    .composer-close-btn {
      display: none;
      position: absolute;
      top: 12px;
      right: 12px;
      z-index: 3;
      min-width: 48px;
      height: 32px;
      border-radius: 12px;
      border: 1px solid rgba(23, 24, 31, 0.08);
      background: rgba(255, 255, 255, 0.82);
      color: rgba(23, 24, 31, 0.58);
      padding: 0 10px;
      font-size: 12px;
      font-weight: 700;
      line-height: 1;
      align-items: center;
      justify-content: center;
      transition: 0.18s ease;
    }
    .composer-box.is-ready .composer-close-btn,
    .composer-box.is-expanded .composer-close-btn {
      display: inline-flex;
    }
    .composer-close-btn:hover {
      border-color: rgba(255, 90, 31, 0.26);
      color: var(--accent);
      background: rgba(255, 90, 31, 0.08);
    }
    .composer-input {
      width: 100%;
      min-height: 24px;
      max-height: 180px;
      resize: none;
      overflow-y: auto;
      border: none;
      outline: none;
      background: transparent;
      color: var(--text);
      padding: 8px 0;
      line-height: 1.6;
      font-size: 16px;
    }
    .composer-input::placeholder {
      color: rgba(109, 100, 113, 0.72);
    }
    .hero-shell.is-active .composer-input {
      font-size: 15px;
    }
    .send-btn {
      min-width: 92px;
      height: 40px;
      border: none;
      border-radius: 999px;
      background: linear-gradient(135deg, var(--accent), var(--accent-strong));
      color: #fff8df;
      font-weight: 900;
      letter-spacing: 0.02em;
      box-shadow: 0 14px 32px rgba(255, 79, 184, 0.22);
      transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
    }
    .send-btn:hover {
      transform: translateY(-1px);
      filter: saturate(1.08);
      box-shadow: 0 18px 42px rgba(255, 79, 184, 0.3);
    }
    .send-btn:disabled {
      opacity: 0.45;
      cursor: wait;
    }
    .toast {
      position: fixed;
      left: 50%;
      bottom: 86px;
      transform: translateX(-50%) translateY(18px);
      min-width: 260px;
      max-width: 90vw;
      border-radius: 16px;
      border: 1px solid var(--line-strong);
      background: rgba(4, 12, 18, 0.92);
      box-shadow: var(--shadow);
      padding: 13px 16px;
      font-size: 14px;
      line-height: 1.55;
      opacity: 0;
      pointer-events: none;
      transition: 0.25s ease;
      z-index: 12;
    }
    .toast.show {
      opacity: 1;
      transform: translateX(-50%) translateY(0);
    }
    .toast.ok {
      color: var(--accent);
      border-color: rgba(122, 242, 200, 0.22);
    }
    .toast.err {
      color: var(--danger);
      border-color: rgba(255, 145, 145, 0.24);
    }

    @keyframes riseIn {
      from { opacity: 0; transform: translateY(16px); }
      to { opacity: 1; transform: translateY(0); }
    }
    @keyframes livingPrompt {
      0%, 100% { transform: translateY(0) scale(1) rotate(-0.35deg); box-shadow: 0 24px 90px rgba(255, 90, 31, 0.22), 0 22px 90px rgba(23, 24, 31, 0.14), inset 0 1px 0 rgba(255,255,255,0.55); }
      50% { transform: translateY(-4px) scale(1.018) rotate(0.35deg); box-shadow: 0 34px 120px rgba(255, 79, 184, 0.28), 0 28px 110px rgba(23, 24, 31, 0.18), inset 0 1px 0 rgba(255,255,255,0.68); }
    }
    @keyframes heroTitleSwitch {
      0% { opacity: 0; transform: translateY(14px); filter: blur(7px); }
      100% { opacity: 1; transform: translateY(0); filter: blur(0); }
    }
    @keyframes atmosphereBreath {
      from { opacity: 0.5; transform: scale(0.99) rotate(-0.6deg); }
      to { opacity: 0.9; transform: scale(1.02) rotate(0.6deg); }
    }
    @keyframes horizonBreath {
      from { opacity: 0.35; }
      to { opacity: 0.78; }
    }
    @keyframes softBlink {
      0%, 100% { opacity: 0.65; }
      50% { opacity: 1; }
    }
    @keyframes dockRise {
      from { opacity: 0; transform: translateY(18px) scale(0.98); }
      to { opacity: 1; transform: translateY(0) scale(1); }
    }
    @keyframes capabilityMarquee {
      from { transform: translateX(0); }
      to { transform: translateX(-50%); }
    }
    @keyframes chipDrift {
      0%, 100% { transform: translateX(0); }
      50% { transform: translateX(5px); }
    }
    @keyframes statusPulse {
      0%, 100% { opacity: 0.45; box-shadow: 0 0 0 0 rgba(255, 79, 184, 0); }
      50% { opacity: 1; box-shadow: 0 0 0 6px rgba(255, 79, 184, 0.1); }
    }

    @media (max-width: 760px) {
      body { overflow: hidden; }
      .app {
        min-height: 100dvh;
        padding: 10px 10px 12px;
      }
      .topbar {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        grid-template-areas:
          "brand actions"
          "nav nav";
        align-items: center;
        gap: 10px 8px;
        margin-bottom: 2px;
      }
      .brand {
        grid-area: brand;
        min-width: 0;
        gap: 8px;
        font-size: 18px;
        line-height: 1;
      }
      .brand-mark {
        width: 24px;
        height: 24px;
        border-radius: 8px;
      }
      .top-actions {
        grid-area: actions;
        width: auto;
        justify-content: flex-end;
        padding: 3px;
        gap: 3px;
        border-radius: 18px;
        box-shadow: 0 10px 24px rgba(23, 24, 31, 0.06);
      }
      .human-top-btn,
      .milo-top-btn {
        width: 34px;
        height: 34px;
        border-radius: 13px;
      }
      .panel-nav {
        grid-area: nav;
        width: 100%;
        margin-left: 0;
        justify-content: flex-start;
        gap: 8px;
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 2px;
        scrollbar-width: none;
      }
      .panel-nav::-webkit-scrollbar {
        display: none;
      }
      .panel-tab {
        flex: 0 0 auto;
        min-height: 34px;
        padding: 0 12px;
        border-radius: 14px;
        font-size: 13px;
      }
      .pricing-strip { grid-template-columns: 1fr; }
      .faq-grid { grid-template-columns: 1fr; }
      .case-shell {
        width: 100%;
      }
      .case-grid {
        grid-template-columns: repeat(4, minmax(76vw, 76vw));
        gap: 12px;
        overflow-x: auto;
        overflow-y: visible;
        padding: 2px 4px 10px;
        margin: 0 -4px;
        scroll-snap-type: x proximity;
        scrollbar-width: none;
      }
      .case-grid::-webkit-scrollbar {
        display: none;
      }
      .case-card {
        min-height: 248px;
        border-radius: 18px;
        scroll-snap-align: start;
      }
      .case-card::after {
        width: 104px;
        height: 104px;
        right: -34px;
        top: -34px;
        border-radius: 28px;
      }
      .case-preview {
        aspect-ratio: 16 / 10;
        min-height: 0;
      }
      .case-content {
        gap: 7px;
        padding: 12px;
      }
      .case-card h3 {
        max-width: none;
        font-size: 22px;
        line-height: 1.08;
      }
      .case-card p {
        font-size: 12px;
        line-height: 1.55;
      }
      .case-meta {
        font-size: 9px;
      }
      .case-more-row {
        justify-content: flex-start;
        margin-top: 14px;
        padding: 0 4px 6px;
      }
      .case-more-link {
        width: 100%;
        min-height: 40px;
        padding: 0 14px;
        font-size: 13px;
      }
      .panel-viewport { border-radius: 24px; }
      .hero,
      .hero.is-active,
      .panel-page {
        padding: 10px 2px 0;
        align-items: start;
      }
      .hero-shell {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        grid-template-areas:
          "copy";
        min-height: auto;
        gap: 0;
        align-content: center;
      }
      .hero-shell.is-ready {
        grid-template-rows: auto;
        gap: 14px;
      }
      .hero-shell.is-active {
        grid-template-rows: auto;
        gap: 8px;
      }
      .hero-copy,
      .hero-shell.is-active .hero-copy {
        text-align: center;
        align-content: start;
      }
      .hero-copy {
        transform: none;
        margin-bottom: 8px;
      }
      .hero-shell.is-ready .hero-copy {
        transform: translateY(-6px) scale(0.94);
        opacity: 0.42;
      }
      .hero-shell.is-active .hero-copy {
        transform: translateY(-10px) scale(0.9);
        opacity: 0.28;
      }
      .hero-title,
      .hero-shell.is-active .hero-title {
        font-size: clamp(11px, 3.9vw, 16px);
        max-width: min(22ch, 100%);
        min-height: 1.15em;
      }
      .hero-shell.is-ready .hero-title {
        font-size: clamp(10px, 3.4vw, 14px);
      }
      .hero-sub,
      .hero-shell.is-active .hero-sub {
        font-size: 13px;
        line-height: 1.65;
        max-width: 100%;
      }
      .info-head h2 { font-size: 44px; }
      .info-head .panel-subtitle { font-size: 30px; }
      .info-shell {
        width: 100%;
        gap: 16px;
      }
      .info-head {
        max-width: 100%;
      }
      .case-shell .info-head {
        gap: 8px;
        padding: 0 4px;
      }
      .panel-scroll {
        padding-right: 0;
      }
      .payment-note {
        margin-bottom: 10px;
      }
      .payment-note h2 {
        font-size: 24px;
      }
      .team-brief {
        width: 100%;
        max-width: none;
        align-content: start;
        transform: none;
        max-height: none;
        gap: 8px;
        padding: 0;
      }
      .agent-grid {
        grid-template-columns: repeat(5, minmax(0, 1fr));
        gap: 8px;
      }
      .agent-card {
        min-height: 0;
        padding: 6px;
        border-radius: 18px;
        justify-content: center;
        align-items: center;
      }
      .agent-card::after {
        width: 5px;
        height: 5px;
        right: 7px;
        top: 7px;
      }
      .agent-card .agent-copy,
      .agent-card .agent-detail {
        display: none !important;
      }
      .agent-avatar {
        width: 100%;
        aspect-ratio: 1 / 1;
        height: auto;
        border-radius: 16px;
      }
      .team-stats {
        display: none;
      }
      .capabilities {
        width: min(90vw, 520px);
        min-height: 32px;
        bottom: 42px;
      }
      .capabilities-track {
        gap: 7px;
        padding: 5px 7px;
        animation-duration: 18s;
      }
      .capability-pill {
        font-size: 10px;
        padding: 6px 8px;
      }
      .conversation-head { align-items: flex-start; flex-direction: column; }
      .payment-card {
        width: calc(100% - 20px);
        margin: 0 10px 10px;
      }
      .payment-bubble {
        max-height: min(24vh, 210px);
      }
      .composer-box.is-expanded {
        width: 100%;
        min-height: 560px;
        height: 100%;
        max-height: none;
        margin: 0 auto;
        position: relative;
        z-index: 43;
      }
      .composer-zone {
        width: calc(100vw - 24px);
        gap: 14px;
        margin-top: 0;
      }
      .composer-zone.is-expanded {
        position: fixed;
        left: 12px;
        right: 12px;
        top: 96px;
        bottom: 12px;
        width: auto;
        z-index: 42;
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
      }
      .chips {
        width: min(100%, 320px);
        gap: 5px;
      }
      .chip {
        min-height: 29px;
        font-size: 11px;
        padding: 0 10px;
      }
      .composer-box {
        width: min(100%, 368px);
        min-height: 88px;
        max-height: 88px;
      }
      .composer-box.is-ready {
        width: 100%;
        min-height: 136px;
        max-height: 560px;
      }
      .composer-idle {
        min-height: 88px;
        gap: 10px;
        padding: 10px 14px 10px 10px;
      }
      .idle-avatar {
        width: 58px;
        height: 58px;
        border-radius: 20px;
        font-size: 22px;
      }
      .idle-copy strong {
        font-size: 17px;
        white-space: normal;
      }
      .idle-copy span {
        display: block;
        font-size: 12px;
        white-space: normal;
      }
      .composer-ready-head {
        padding: 12px 12px 0;
      }
      .ready-avatar {
        width: 38px;
        height: 38px;
        border-radius: 14px;
      }
      .ready-status {
        display: none;
      }
      .payment-grid { grid-template-columns: 1fr; }
      .composer-top { grid-template-columns: 1fr; }
      .send-btn { width: 20%; min-width: 0; }
      body:has(.composer-box.is-expanded) .team-rail,
      body:has(.composer-box.is-expanded) .capabilities,
      body:has(.composer-box.is-expanded) .made-by {
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
      }
    }