:root {
  --bg: #070a12;
  --bg2: #0b1120;
  --surface: rgba(255, 255, 255, 0.06);
  --surface2: rgba(255, 255, 255, 0.08);
  --border: rgba(255, 255, 255, 0.12);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.70);
  --muted2: rgba(255, 255, 255, 0.56);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.55);
  --accent: #c6a86d;
  --accent2: #3bd6c6;
  --radius: 18px;
  --radius2: 26px;
  --container: 1160px;
  --ease: cubic-bezier(0.2, 0.9, 0.2, 1);

  --font-sans: "HarmonyOS Sans SC", "MiSans", "PingFang SC", "Microsoft YaHei",
    system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Source Han Serif SC", "Songti SC", "STSong", "Noto Serif SC", serif;
}

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

html,
body {
  height: 100%;
}

body {
  margin: 0;
  background: radial-gradient(1200px 520px at 18% 12%, rgba(59, 214, 198, 0.10), transparent 55%),
    radial-gradient(860px 460px at 76% 18%, rgba(198, 168, 109, 0.14), transparent 55%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg2) 100%);
  color: var(--text);
  font-family: var(--font-sans);
  letter-spacing: 0.2px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  z-index: 10000;
}

.skip-link:focus {
  left: 12px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 10, 18, 0.60);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.topbar--compact .topbar__cta {
  display: none;
}

.topbar__inner {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 18px;
  align-items: center;
  padding: 14px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 260px;
}

.brand__mark {
  width: 28px;
  height: 28px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(59, 214, 198, 0.95), rgba(198, 168, 109, 0.92));
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

.brand__name {
  font-family: var(--font-serif);
  font-weight: 650;
  letter-spacing: 0.4px;
  line-height: 1;
}

.brand__tag {
  color: var(--muted2);
  font-size: 12px;
  padding-left: 10px;
  border-left: 1px solid rgba(255, 255, 255, 0.10);
  white-space: nowrap;
}

.nav {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 14px;
}

.nav a {
  padding: 8px 10px;
  border-radius: 10px;
  transition: background 220ms var(--ease), color 220ms var(--ease);
}

.nav a:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

.topbar__cta {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 14px;
  letter-spacing: 0.2px;
  transition: transform 180ms var(--ease), background 220ms var(--ease), border-color 220ms var(--ease);
  user-select: none;
}

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

.btn--primary {
  border-color: rgba(198, 168, 109, 0.35);
  background: linear-gradient(135deg, rgba(198, 168, 109, 0.25), rgba(59, 214, 198, 0.18));
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.05);
}

.eyebrow {
  margin: 0 0 14px;
  color: rgba(255, 255, 255, 0.70);
  letter-spacing: 0.36em;
  text-transform: uppercase;
  font-size: 12px;
}

.hero {
  position: relative;
  padding: 56px 0 40px;
  overflow: clip;
}

.hero__bg {
  position: absolute;
  inset: -1px;
  background:
    radial-gradient(820px 520px at 22% 26%, rgba(59, 214, 198, 0.13), transparent 58%),
    radial-gradient(920px 520px at 70% 22%, rgba(198, 168, 109, 0.14), transparent 58%),
    url("../assets/hero-bg.svg");
  background-size: cover;
  background-position: center;
  filter: saturate(1.02) contrast(1.03);
  opacity: 0.94;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 34px;
  align-items: center;
}

.hero__copy {
  padding: 34px 0;
}

.hero__title {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-weight: 740;
  font-size: clamp(34px, 4.2vw, 54px);
  line-height: 1.08;
  letter-spacing: 0.4px;
}

.hero__titleAccent {
  display: inline-block;
  background: linear-gradient(90deg, rgba(198, 168, 109, 1), rgba(59, 214, 198, 1));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__subtitle {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
  max-width: 58ch;
}

.hero__actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 18px 0 18px;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
}

.stat {
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 16px;
  background: rgba(0, 0, 0, 0.18);
  padding: 12px 12px;
}

.stat dt {
  color: var(--muted2);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.stat dd {
  margin: 7px 0 0;
  font-weight: 640;
  font-size: 14px;
}

.hero__frame {
  display: grid;
  place-items: center;
}

.hero__frameInner {
  position: relative;
  width: min(460px, 100%);
  aspect-ratio: 1 / 1;
  border-radius: var(--radius2);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
  border: 1px solid rgba(255, 255, 255, 0.12);
  overflow: hidden;
  box-shadow: var(--shadow);
  transform: translateY(6px);
}

.hero__frameImg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.03);
}

.hero__frameGlow {
  position: absolute;
  inset: -30%;
  background: radial-gradient(circle at 30% 30%, rgba(59, 214, 198, 0.22), transparent 58%),
    radial-gradient(circle at 70% 30%, rgba(198, 168, 109, 0.22), transparent 58%);
  mix-blend-mode: screen;
  opacity: 0.6;
  pointer-events: none;
}

.h1,
.h2 {
  font-family: var(--font-serif);
  letter-spacing: 0.2px;
}

.h1 {
  margin: 0 0 8px;
  font-size: clamp(32px, 4vw, 48px);
}

.h2 {
  margin: 0 0 12px;
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 720;
}

.lead {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
  font-size: 16px;
}

.positioning {
  padding: 40px 0 18px;
}

.positioning__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.positioning__intro {
  max-width: 74ch;
}

.positioning__cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.card {
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.04);
  padding: 18px 18px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.34);
}

.card__title {
  margin: 0 0 8px;
  font-weight: 720;
  letter-spacing: 0.2px;
}

.card__desc {
  margin: 0 0 12px;
  color: var(--muted);
  line-height: 1.7;
}

.card__list {
  margin: 0;
  padding: 0 0 0 18px;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.8;
}

.showcase {
  padding: 34px 0 72px;
}

.showcase__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  padding: 10px 0 20px;
}

.pillRow {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.pill {
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  padding: 6px 10px;
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.showcase__grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 24px;
  align-items: stretch;
}

.visual {
  align-self: stretch;
}

.visual__sticky {
  position: sticky;
  top: 92px;
}

.visual__stage {
  position: relative;
  border-radius: var(--radius2);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03));
  overflow: hidden;
  box-shadow: var(--shadow);
  aspect-ratio: 1 / 1;
}

.visual__stage::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(400px 260px at 22% 30%, rgba(59, 214, 198, 0.12), transparent 62%),
    radial-gradient(380px 240px at 78% 30%, rgba(198, 168, 109, 0.14), transparent 62%);
  pointer-events: none;
  mix-blend-mode: screen;
  opacity: 0.9;
}

.visual__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.03);
  filter: blur(10px) saturate(1.05);
  transition:
    opacity 520ms var(--ease),
    transform 760ms var(--ease),
    filter 760ms var(--ease);
}

.visual__img.is-active {
  opacity: 1;
  transform: scale(1.0);
  filter: blur(0px) saturate(1.03);
}

.visual__caption {
  margin-top: 12px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(0, 0, 0, 0.20);
  padding: 14px 14px;
}

.visual__captionKicker {
  color: var(--muted2);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.visual__captionTitle {
  margin-top: 8px;
  font-weight: 720;
  letter-spacing: 0.2px;
}

.visual__captionMeta {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.topics {
  display: grid;
  gap: 14px;
}

.topic {
  border-radius: var(--radius2);
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.04);
  padding: 18px 18px;
  min-height: 248px;
  position: relative;
  overflow: hidden;
}

.topic::before {
  content: "";
  position: absolute;
  inset: -60% -40%;
  background: radial-gradient(circle at 30% 30%, rgba(59, 214, 198, 0.08), transparent 55%),
    radial-gradient(circle at 70% 30%, rgba(198, 168, 109, 0.08), transparent 55%);
  opacity: 0;
  transition: opacity 520ms var(--ease);
  pointer-events: none;
}

.topic.is-active::before {
  opacity: 1;
}

.topic__title {
  margin: 0 0 8px;
  font-weight: 760;
  letter-spacing: 0.2px;
}

.topic__desc {
  margin: 0 0 12px;
  color: var(--muted);
  line-height: 1.7;
}

.topic__list {
  margin: 0;
  padding: 0 0 0 18px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.82);
}

.topic__actions {
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  color: rgba(255, 255, 255, 0.78);
}

.dot {
  width: 4px;
  height: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.30);
}

.link {
  color: rgba(255, 255, 255, 0.88);
  text-decoration: underline;
  text-decoration-color: rgba(198, 168, 109, 0.40);
  text-underline-offset: 4px;
  transition: color 220ms var(--ease), text-decoration-color 220ms var(--ease);
}

.link:hover {
  color: #ffffff;
  text-decoration-color: rgba(59, 214, 198, 0.6);
}

.link--muted {
  color: rgba(255, 255, 255, 0.66);
  text-decoration: none;
}

.link--muted:hover {
  color: rgba(255, 255, 255, 0.90);
}

.projects {
  padding: 22px 0 34px;
}

.projects__header {
  display: grid;
  gap: 10px;
  max-width: 74ch;
  padding: 10px 0 18px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.project {
  border-radius: var(--radius2);
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.04);
  padding: 16px 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.34);
}

.project__top {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.project__icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, rgba(198, 168, 109, 0.22), rgba(59, 214, 198, 0.14));
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-weight: 760;
  letter-spacing: 0.06em;
}

.project__title {
  margin: 0;
  font-weight: 760;
  letter-spacing: 0.2px;
}

.project__desc {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.project__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.tag {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.18);
  padding: 6px 10px;
  border-radius: 999px;
}

.project__links {
  display: flex;
  gap: 12px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.contact {
  padding: 20px 0 52px;
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  align-items: start;
}

.contact__card {
  margin-top: 14px;
  border-radius: var(--radius2);
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.04);
  padding: 16px 16px;
}

.contact__row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.contact__row:last-child {
  border-bottom: 0;
}

.contact__k {
  color: var(--muted2);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 12px;
  padding-top: 2px;
}

.contact__v {
  color: rgba(255, 255, 255, 0.86);
  line-height: 1.7;
}

.compliance {
  border-radius: var(--radius2);
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(0, 0, 0, 0.18);
  padding: 18px 18px;
}

.compliance__title {
  margin: 0 0 10px;
  font-weight: 760;
}

.compliance__desc {
  margin: 0 0 14px;
  color: var(--muted);
  line-height: 1.75;
}

.compliance__links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.icp {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 14px;
  color: rgba(255, 255, 255, 0.80);
}

.icp__row {
  display: flex;
  gap: 10px;
  justify-content: space-between;
  padding: 8px 0;
}

.icp__k {
  color: rgba(255, 255, 255, 0.70);
}

.icp__v {
  color: rgba(255, 255, 255, 0.88);
}

.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.18);
  padding: 18px 0;
}

.footer--compact {
  margin-top: 38px;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  align-items: center;
}

.footer__brand {
  font-family: var(--font-serif);
  font-weight: 740;
}

.footer__meta {
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
}

.footer__sep {
  margin: 0 8px;
  color: rgba(255, 255, 255, 0.34);
}

.footer__right {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 520ms var(--ease), transform 720ms var(--ease);
}

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

.page {
  background:
    radial-gradient(900px 540px at 20% 18%, rgba(59, 214, 198, 0.09), transparent 58%),
    radial-gradient(900px 540px at 78% 14%, rgba(198, 168, 109, 0.10), transparent 58%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg2) 100%);
}

.doc {
  padding: 38px 0 10px;
  max-width: 860px;
}

.muted {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.66);
}

.doc__section {
  margin-top: 18px;
  padding: 16px 16px;
  border-radius: var(--radius2);
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.04);
}

.doc__list {
  margin: 10px 0 0;
  padding-left: 18px;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.85;
}

.doc__back {
  margin-top: 18px;
  display: flex;
  gap: 10px;
}

@media (max-width: 980px) {
  .topbar__inner {
    grid-template-columns: 1fr;
  }
  .nav {
    justify-content: flex-start;
  }
  .topbar__cta {
    justify-content: flex-start;
  }
  .hero__inner {
    grid-template-columns: 1fr;
  }
  .positioning__cards {
    grid-template-columns: 1fr;
  }
  .showcase__grid {
    grid-template-columns: 1fr;
  }
  .visual__sticky {
    position: relative;
    top: 0;
  }
  .grid {
    grid-template-columns: 1fr;
  }
  .contact__grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .visual__img,
  .btn,
  .nav a {
    transition: none !important;
  }
  .btn:hover {
    transform: none;
  }
}