@import url("https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap");

:root {
  --bg: #07111f;
  --surface: rgba(14, 27, 45, 0.76);
  --line: rgba(255, 255, 255, 0.12);
  --text: #ecf4ff;
  --muted: #aec0d8;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: "Plus Jakarta Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 8% 5%, rgba(34, 211, 238, 0.18), transparent 40%),
    radial-gradient(circle at 92% 12%, rgba(125, 97, 255, 0.24), transparent 35%),
    linear-gradient(160deg, #06101d 0%, #08162a 42%, #0b1d35 100%);
  overflow-x: hidden;
}

.bg-orb {
  position: fixed;
  width: 45vw;
  max-width: 560px;
  aspect-ratio: 1 / 1;
  filter: blur(60px);
  border-radius: 999px;
  opacity: 0.32;
  pointer-events: none;
  z-index: -1;
  animation: drift 13s ease-in-out infinite alternate;
}

.orb-a {
  top: -14vw;
  left: -8vw;
  background: rgba(34, 211, 238, 0.55);
}

.orb-b {
  right: -10vw;
  bottom: -18vw;
  background: rgba(104, 124, 255, 0.48);
  animation-duration: 16s;
}

@keyframes drift {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  100% {
    transform: translate3d(26px, -18px, 0) scale(1.08);
  }
}

.topbar,
.site-main {
  max-width: 1220px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.topbar {
  margin-top: 20px;
  padding-top: 12px;
  padding-bottom: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-radius: 999px;
}

.glass {
  background: rgba(7, 20, 35, 0.62);
  border: 1px solid var(--line);
  backdrop-filter: blur(18px) saturate(1.1);
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-pill {
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: #d3e9ff;
}

.brand {
  font-size: 15px;
  letter-spacing: 0.03em;
}

.nav-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.site-main {
  padding-top: 18px;
  padding-bottom: 72px;
  display: grid;
  gap: 24px;
}

.hero,
.chat-studio {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 24px;
}

.hero {
  min-height: min(92dvh, 820px);
  padding: 32px;
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: 22px;
  align-items: center;
}

.hero-kicker {
  margin: 0;
  color: #bcd3ef;
  font-size: 12px;
  letter-spacing: 0.1em;
}

.hero-copy h1 {
  margin: 10px 0 0;
  font-size: clamp(38px, 4.6vw, 66px);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.hero-copy p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: clamp(16px, 1.6vw, 20px);
  line-height: 1.55;
  max-width: 620px;
}

.hero-actions {
  margin-top: 24px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.service-state {
  margin: 16px 0 0;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  display: inline-flex;
  padding: 8px 14px;
  font-size: 13px;
  color: #cde5ff;
  background: rgba(255, 255, 255, 0.06);
}

.hero-stage {
  position: relative;
  min-height: 470px;
}

.floating-card {
  position: absolute;
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(9, 19, 32, 0.82);
  box-shadow: 0 20px 50px rgba(2, 8, 17, 0.46);
  transition: transform 280ms ease, box-shadow 280ms ease;
}

.floating-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 56px rgba(2, 8, 17, 0.56);
}

.card-main {
  top: 0;
  right: 0;
  width: 90%;
  animation: floatMain 9s ease-in-out infinite;
}

.mini-showcase {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 72%;
  display: grid;
  gap: 10px;
  animation: floatSub 11s ease-in-out infinite;
}

@keyframes floatMain {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(0, -12px, 0);
  }
}

@keyframes floatSub {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(0, 10px, 0);
  }
}

.floating-card img,
.showcase-card img {
  width: 100%;
  display: block;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.showcase-card {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 16px;
  overflow: hidden;
  background: rgba(5, 16, 31, 0.8);
  transform: translateY(10px);
  opacity: 0;
  transition: transform 420ms cubic-bezier(0.2, 0.9, 0.2, 1), opacity 420ms ease;
}

.showcase-card.is-visible {
  transform: translateY(0);
  opacity: 1;
}

.chat-studio {
  padding: 24px;
}

.section-title h2 {
  margin: 0;
  font-size: clamp(30px, 3.3vw, 44px);
  line-height: 1.12;
}

.section-title p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.55;
  font-size: 16px;
}

.chat-shell {
  margin-top: 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 16px;
  background: rgba(7, 18, 33, 0.86);
  overflow: hidden;
}

.chat-scroll {
  max-height: 70vh;
  overflow: auto;
  padding: 18px;
  display: grid;
  gap: 14px;
}

.chat-bubble {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.avatar {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.says {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  padding: 10px 12px;
  color: #d8e7f9;
}

.chat-answer {
  margin-left: 46px;
}

.chat-block[hidden] {
  display: none;
}

.stack {
  display: grid;
  gap: 10px;
}

.chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.choice {
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.04);
  color: #dcecff;
  cursor: pointer;
}

.choice.on {
  border-color: transparent;
  background: linear-gradient(135deg, #22d3ee, #4d9cff);
  color: #061120;
  font-weight: 700;
}

.chat-dock {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 12px;
  display: flex;
  gap: 8px;
}

.card {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 14px;
  padding: 18px;
  background: rgba(7, 18, 33, 0.86);
}

.card h3 {
  margin: 0 0 14px;
  font-size: 24px;
}

input,
select,
button {
  font: inherit;
}

input,
select {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 11px 12px;
}

input::placeholder {
  color: #9fb2ca;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.26);
  padding: 10px 15px;
  background: rgba(255, 255, 255, 0.04);
  color: #e8f3ff;
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
}

.btn:disabled {
  opacity: 0.66;
  cursor: not-allowed;
}

.btn-primary {
  border-color: transparent;
  background: linear-gradient(135deg, #22d3ee, #4d9cff);
  color: #061120;
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.02);
}

.hint {
  margin: 0;
  color: #9fb2ca;
  font-size: 13px;
}

.row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.pay-grid {
  display: grid;
  grid-template-columns: minmax(170px, 236px) 1fr;
  gap: 16px;
}

#qrImage {
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: #fff;
  padding: 8px;
}

.status {
  margin: 0;
  font-size: 14px;
}

.mono {
  margin: 0;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.03);
  padding: 10px;
  font-size: 13px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  white-space: pre-wrap;
}

.photo-preview {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 10px;
}

.photo-item {
  margin: 0;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.02);
}

.photo-item img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
}

.photo-item figcaption {
  padding: 6px 8px;
  font-size: 12px;
  color: #a6bbd3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.result-title {
  margin: 0 0 14px;
  font-size: 26px;
}

.pages {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}

.pages .page {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.03);
}

.pages .page img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
}

.page-body {
  padding: 10px;
}

.page-title {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #9fb2ca;
}

.page-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.45;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 560ms ease, transform 560ms cubic-bezier(0.2, 0.9, 0.2, 1);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1060px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 20px;
    min-height: auto;
  }

  .hero-copy h1 {
    font-size: clamp(34px, 8vw, 50px);
  }

  .hero-stage {
    min-height: 390px;
  }
}

@media (max-width: 820px) {
  .topbar,
  .site-main {
    padding-left: 14px;
    padding-right: 14px;
  }

  .topbar {
    border-radius: 18px;
    align-items: flex-start;
    gap: 10px;
    flex-direction: column;
  }

  .nav-actions {
    width: 100%;
  }

  .nav-actions .btn {
    flex: 1;
  }

  .site-main {
    gap: 16px;
  }

  .hero,
  .chat-studio,
  .card {
    border-radius: 16px;
    padding: 14px;
  }

  .pay-grid {
    grid-template-columns: 1fr;
  }

  .hero-stage {
    min-height: 330px;
  }

  .card-main,
  .mini-showcase {
    width: 100%;
    position: static;
    margin-top: 10px;
    animation: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}