:root {
  --bg-deep: #05070d;
  --bg-elevated: #0b101c;
  --bg-soft: #111827;
  --blue-primary: #3d8bfd;
  --blue-bright: #5aa7ff;
  --blue-light: #9ec9ff;
  --blue-deep: #1a3f8c;
  --blue-glow: rgba(61, 139, 253, 0.35);
  --text: #e8eef8;
  --text-muted: #9aa8c0;
  --line: rgba(158, 201, 255, 0.16);
  --radius: 4px;
  --font-display: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body: "Outfit", "Segoe UI", sans-serif;
  --max: 1280px;
  --nav-h: 76px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(26, 63, 140, 0.45), transparent 60%),
    radial-gradient(900px 500px at 10% 20%, rgba(61, 139, 253, 0.12), transparent 55%),
    linear-gradient(180deg, #05070d 0%, #070b14 40%, #05070d 100%);
  background-attachment: fixed;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--blue-light);
  text-decoration: none;
  transition: color 0.25s ease, opacity 0.25s ease;
}

a:hover {
  color: #fff;
}

.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  backdrop-filter: blur(16px);
  background: rgba(5, 7, 13, 0.72);
  border-bottom: 1px solid var(--line);
}

.nav {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: nowrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 1rem;
  flex-shrink: 0;
  white-space: nowrap;
}

.brand img {
  width: 34px;
  height: 34px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.95rem;
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1 1 auto;
  justify-content: center;
  min-width: 0;
}

.nav-links li {
  flex-shrink: 0;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.88rem;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.is-active {
  color: #fff;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  flex-shrink: 0;
}

.nav-cta .btn {
  white-space: nowrap;
  min-height: 40px;
  padding: 0.55rem 0.95rem;
  font-size: 0.84rem;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-right: 0.15rem;
  flex-shrink: 0;
}

.lang-btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  padding: 0.45rem 0.65rem;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.lang-btn:hover,
.lang-btn.is-active {
  background: rgba(61, 139, 253, 0.18);
  color: #fff;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 46px;
  padding: 0.7rem 1.35rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--blue-primary), var(--blue-deep));
  color: #fff;
  box-shadow: 0 10px 30px var(--blue-glow);
}

.btn-primary:hover {
  color: #fff;
  background: linear-gradient(135deg, var(--blue-bright), var(--blue-primary));
}

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--blue-light);
  color: #fff;
}

.btn-disabled,
.btn[disabled] {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  color: var(--text);
  width: 42px;
  height: 42px;
  border-radius: var(--radius);
}

.hero {
  position: relative;
  min-height: calc(100vh - var(--nav-h));
  display: flex;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(5, 7, 13, 0.92) 28%, rgba(5, 7, 13, 0.55) 58%, rgba(5, 7, 13, 0.35) 100%),
    radial-gradient(ellipse at 70% 40%, rgba(61, 139, 253, 0.28), transparent 55%),
    radial-gradient(ellipse at 85% 70%, rgba(26, 63, 140, 0.4), transparent 50%);
  z-index: -1;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      -28deg,
      transparent 0,
      transparent 46px,
      rgba(158, 201, 255, 0.03) 46px,
      rgba(158, 201, 255, 0.03) 47px
    );
  z-index: -1;
  pointer-events: none;
}

.hero-inner {
  padding: 5rem 0 6rem;
  max-width: 720px;
}

.hero-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.75rem;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #fff;
  line-height: 1;
}

.hero-brand img {
  width: clamp(42px, 7vw, 64px);
  height: clamp(42px, 7vw, 64px);
}

.hero h1 {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.2vw, 2.35rem);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--blue-light);
}

.hero p {
  margin: 0 0 2rem;
  max-width: 34rem;
  color: var(--text-muted);
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.hero-brand,
.hero h1,
.hero p,
.hero-actions {
  animation: rise 0.9s ease both;
}

.hero h1 {
  animation-delay: 0.12s;
}

.hero p {
  animation-delay: 0.22s;
}

.hero-actions {
  animation-delay: 0.34s;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.section {
  padding: 5.5rem 0;
}

.section-head {
  margin-bottom: 2.75rem;
  max-width: 40rem;
}

.section-eyebrow {
  margin: 0 0 0.7rem;
  color: var(--blue-bright);
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.section-head h2 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 500;
  letter-spacing: -0.02em;
}

.section-head p {
  margin: 0;
  color: var(--text-muted);
}

.split-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.split-item {
  display: grid;
  grid-template-columns: 1.1fr 1.4fr auto;
  gap: 1.5rem;
  align-items: center;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--line);
  color: inherit;
}

.split-item:hover .split-title {
  color: var(--blue-light);
}

.split-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 500;
  transition: color 0.25s ease;
}

.split-summary {
  margin: 0;
  color: var(--text-muted);
}

.split-meta {
  color: var(--blue-bright);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-hero {
  padding: 4.5rem 0 2.5rem;
}

.page-hero h1 {
  margin: 0 0 0.9rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.02em;
}

.page-hero p {
  margin: 0;
  max-width: 38rem;
  color: var(--text-muted);
}

.detail-layout {
  display: grid;
  gap: 2.5rem;
  padding-bottom: 5rem;
}

.prose {
  max-width: 46rem;
}

.prose p {
  color: var(--text-muted);
}

.feature-list {
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

.feature-list li {
  position: relative;
  padding-left: 1.25rem;
  color: var(--text);
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65rem;
  width: 0.45rem;
  height: 0.45rem;
  background: var(--blue-primary);
  transform: skewX(-20deg);
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.platform-panel {
  padding: 2rem 1.75rem;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(17, 24, 39, 0.8), rgba(11, 16, 28, 0.4));
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.platform-panel h3 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
}

.platform-panel p {
  margin: 0;
  color: var(--text-muted);
}

.coming-soon {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.25rem;
  color: var(--blue-light);
  font-family: var(--font-display);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.82rem;
}

.coming-soon::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--blue-primary);
  transform: skewX(-20deg);
}

.form {
  max-width: 560px;
  display: grid;
  gap: 1.1rem;
}

.form .check-label {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.form .check-label input {
  width: auto;
  margin-top: 0.25rem;
}

.deletion-result {
  max-width: 40rem;
  padding: 1.5rem 0;
}

.deletion-result h2 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: 1.6rem;
}

.deletion-result p {
  color: var(--text-muted);
}

.form input,
.form select,
.form textarea {
  width: 100%;
  padding: 0.85rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(11, 16, 28, 0.85);
  color: var(--text);
  font: inherit;
}

.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--blue-primary);
  box-shadow: 0 0 0 3px rgba(61, 139, 253, 0.2);
}

.messages {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.messages li {
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  background: rgba(61, 139, 253, 0.08);
}

.messages .error {
  border-color: rgba(255, 120, 120, 0.35);
  background: rgba(255, 80, 80, 0.08);
}

.site-footer {
  margin-top: 3rem;
  border-top: 1px solid var(--line);
  padding: 3rem 0 2rem;
  background: rgba(5, 7, 13, 0.85);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  font-family: var(--font-display);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
}

.footer-brand img {
  width: 28px;
  height: 28px;
}

.site-footer p,
.site-footer li {
  color: var(--text-muted);
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.news-date {
  color: var(--blue-bright);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

@media (max-width: 1180px) {
  .nav-cta .btn-ghost {
    display: none;
  }

  .nav-links {
    gap: 0.75rem;
  }
}

@media (max-width: 900px) {
  .nav-links,
  .nav-cta .btn-ghost {
    display: none;
  }

  .nav-cta .btn-primary {
    display: none;
  }

  .nav.is-open .nav-links {
    display: flex;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem 1.25rem 1.5rem;
    background: rgba(5, 7, 13, 0.96);
    border-bottom: 1px solid var(--line);
  }

  .nav.is-open .nav-links a {
    white-space: normal;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .split-item {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }

  .platform-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.tutorial-video {
  margin-bottom: 3.5rem;
  max-width: 420px;
}

.tutorial-player {
  width: 100%;
  border: 1px solid var(--line);
  background: #000;
  aspect-ratio: 9 / 16;
  max-height: 70vh;
}

.tutorial-note {
  margin: 0.85rem 0 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.tutorial-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 3.5rem;
}

.tutorial-step {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 320px);
  gap: 2rem;
  align-items: start;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--line);
}

.tutorial-step:nth-child(even) {
  grid-template-columns: minmax(220px, 320px) minmax(0, 1fr);
}

.tutorial-step:nth-child(even) .tutorial-copy {
  order: 2;
}

.tutorial-step:nth-child(even) .tutorial-shot {
  order: 1;
}

.tutorial-num {
  display: inline-block;
  margin-bottom: 0.85rem;
  color: var(--blue-bright);
  font-family: var(--font-display);
  letter-spacing: 0.14em;
  font-size: 0.85rem;
}

.tutorial-copy h2 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  font-weight: 500;
}

.tutorial-copy p {
  margin: 0;
  color: var(--text-muted);
  max-width: 36rem;
}

.tutorial-shot {
  margin: 0;
  border: 1px solid var(--line);
  background: rgba(11, 16, 28, 0.65);
  overflow: hidden;
}

.tutorial-shot img {
  width: 100%;
  height: auto;
  display: block;
}

.tutorial-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2.5rem;
}

@media (max-width: 900px) {
  .tutorial-step,
  .tutorial-step:nth-child(even) {
    grid-template-columns: 1fr;
  }

  .tutorial-step:nth-child(even) .tutorial-copy,
  .tutorial-step:nth-child(even) .tutorial-shot {
    order: initial;
  }

  .tutorial-shot {
    max-width: 320px;
  }
}

/* ---- Floating assistant (售前 / 咨询 / 活动) ---- */
.float-assist {
  position: fixed;
  right: 18px;
  top: 50%;
  z-index: 90;
  /* transform must NOT be on this container, or fixed chat coords break */
}

.float-assist-rail {
  width: 72px;
  display: flex;
  flex-direction: column;
  align-items: center;
  transform: translateY(-50%);
  filter: drop-shadow(0 10px 24px rgba(0, 0, 0, 0.28));
}

.float-assist-avatar {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #111827;
  border: 3px solid #fff;
  overflow: hidden;
  margin-bottom: -14px;
  z-index: 2;
  display: grid;
  place-items: center;
}

.float-assist-avatar img {
  width: 70%;
  height: 70%;
  object-fit: contain;
}

.float-assist-menu {
  width: 72px;
  background: #fff;
  border-radius: 999px;
  padding: 22px 0 10px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.float-assist-item {
  appearance: none;
  border: 0;
  background: transparent;
  color: #111;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 12px 6px;
  font-size: 12px;
  font-family: var(--font-display);
  cursor: pointer;
  line-height: 1.2;
}

.float-assist-item + .float-assist-item {
  border-top: 1px solid #ececec;
}

.float-assist-item:hover {
  color: #2563eb;
  background: #f7f9fc;
}

.float-assist-ico {
  display: grid;
  place-items: center;
  color: inherit;
}

.float-chat {
  position: fixed;
  right: 100px;
  top: 50%;
  width: min(400px, calc(100vw - 120px));
  height: min(760px, calc(100vh - 48px));
  max-height: calc(100vh - 48px);
  margin-top: calc(min(760px, calc(100vh - 48px)) / -2);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(12px);
  transition: opacity 0.2s ease, visibility 0.2s ease;
  z-index: 91;
}

.float-assist.is-open .float-chat {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: none;
}

.float-chat.is-moved,
.float-chat.is-dragging {
  margin-top: 0 !important;
  right: auto !important;
  bottom: auto !important;
  transform: none !important;
  transition: none !important;
}

.float-chat-card {
  position: relative;
  background: #fff;
  color: #111;
  border-radius: 18px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
  display: flex;
  flex-direction: column;
  height: 100%;
  max-height: none;
  overflow: hidden;
}

.float-chat-bar {
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 12px 14px;
  border-bottom: 1px solid #eee;
  background: #fff;
  cursor: move;
  user-select: none;
  touch-action: none;
  flex-shrink: 0;
}

.float-chat-bar-title {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  color: #111;
}

.float-chat-bar-title img {
  width: 18px;
  height: 18px;
  object-fit: contain;
}

.float-chat-card.is-chatting .float-chat-bar {
  display: flex;
}

.float-chat-card.is-chatting .float-chat-welcome-pane {
  display: none;
}

.float-chat-card.is-chatting .float-chat-messages {
  flex: 1;
  min-height: 0;
  max-height: none;
}

.float-chat-card.is-chatting .float-chat-note {
  display: none;
}

.float-chat-x {
  border: 0;
  background: transparent;
  color: #777;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  z-index: 2;
}

.float-chat-card:not(.is-chatting) .float-chat-x {
  position: absolute;
  top: 10px;
  right: 12px;
}

.float-chat-welcome-pane {
  display: block;
}

.float-chat-hero {
  padding: 28px 22px 8px;
  text-align: center;
}

.float-chat-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: contain;
  background: #0b1220;
  padding: 12px;
  margin: 0 auto 12px;
  display: block;
}

.float-chat-hero h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
}

.float-chat-welcome {
  margin: 6px 0 0;
  font-size: 1.05rem;
  font-weight: 600;
}

.float-chat-desc {
  margin: 8px 0 0;
  color: #777;
  font-size: 0.86rem;
}

.float-chat-quick {
  display: grid;
  gap: 8px;
  padding: 12px 16px 4px;
}

.float-quick {
  appearance: none;
  border: 1px solid #e5e7eb;
  background: #fff;
  border-radius: 12px;
  padding: 10px 12px;
  text-align: left;
  font-size: 0.86rem;
  color: #222;
  cursor: pointer;
}

.float-quick:hover {
  border-color: #93c5fd;
  background: #f8fbff;
}

.float-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 10px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 0;
  max-height: 180px;
}

.float-chat-status {
  padding: 0 16px 8px;
  color: #9ca3af;
  font-size: 0.82rem;
}

.float-chat-status:not([hidden]) {
  display: block;
}

.float-chat-status::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #9ca3af;
  margin-right: 8px;
  vertical-align: middle;
}

.float-msg {
  max-width: 88%;
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 0.9rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
}

.float-msg-bot {
  align-self: flex-start;
  background: #f3f4f6;
  color: #111;
}

.float-msg-user {
  align-self: flex-end;
  background: #2563eb;
  color: #fff;
}

.float-msg-system {
  align-self: center;
  color: #888;
  font-size: 0.8rem;
  background: transparent;
  padding: 2px 0;
}

.float-chat-form {
  padding: 8px 14px 12px;
  border-top: 1px solid #eee;
}

.float-chat-input-wrap {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: end;
  border: 1px solid #dbeafe;
  border-radius: 14px;
  padding: 8px;
  background: #fff;
}

.float-chat-input-wrap textarea {
  width: 100%;
  border: 0;
  resize: none;
  outline: none;
  font: inherit;
  color: #111;
  background: transparent;
  min-height: 44px;
}

.float-chat-send {
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 50%;
  background: #2563eb;
  color: #fff;
  cursor: pointer;
  font-size: 16px;
}

.float-chat-send:disabled {
  opacity: 0.55;
  cursor: wait;
}

.float-chat-note {
  margin: 8px 0 0;
  text-align: center;
  color: #9ca3af;
  font-size: 0.72rem;
}

@media (max-width: 700px) {
  .float-assist {
    right: 10px;
    top: auto;
    bottom: 16px;
  }

  .float-assist-rail {
    transform: none;
  }

  .float-chat {
    right: 10px;
    left: auto;
    top: auto;
    bottom: 110px;
    margin-top: 0;
    width: calc(100vw - 20px);
    max-width: 400px;
    height: min(70vh, 640px);
  }
}