@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');

:root {
  --bg: #090607;
  --bg-soft: #140b0c;
  --panel: rgba(22, 13, 15, 0.86);
  --panel-strong: rgba(11, 7, 8, 0.96);
  --line: rgba(232, 189, 94, 0.28);
  --line-strong: rgba(232, 189, 94, 0.55);
  --gold: #f1cd76;
  --gold-strong: #ffdf95;
  --amber: #b9781c;
  --text: #f7f0df;
  --muted: rgba(247, 240, 223, 0.72);
  --shadow: 0 22px 80px rgba(0, 0, 0, 0.45);
  --radius-lg: 32px;
  --radius-md: 22px;
  --radius-sm: 14px;
  --container: min(1220px, calc(100vw - 48px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top, rgba(146, 86, 22, 0.14), transparent 28%),
    linear-gradient(180deg, #13090b 0%, #090607 25%, #090607 100%);
  color: var(--text);
  font-family: 'Manrope', sans-serif;
}

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

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

.site-shell {
  overflow: clip;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(16px);
  transition: background-color 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.site-header::after {
  content: '';
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.06);
}

.site-header.is-scrolled {
  background: rgba(8, 5, 6, 0.92);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.28);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 92px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand img {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.32);
}

.brand-name,
.brand-tag {
  display: block;
}

.brand-name {
  font-family: 'Cinzel', serif;
  font-size: 1.3rem;
  letter-spacing: 0.08em;
}

.brand-tag {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.nav-links {
  display: inline-flex;
  align-items: center;
  gap: 28px;
  color: var(--muted);
}

.nav-links a {
  position: relative;
  padding: 8px 0;
  font-size: 0.95rem;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  transform: scaleX(0);
  transition: transform 180ms ease;
}

.nav-links a:hover::after {
  transform: scaleX(1);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 54px;
  padding: 0 28px;
  border-radius: 999px;
  font-size: 0.98rem;
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: #110907;
  background: linear-gradient(135deg, #f7d580, #c98a2a);
  box-shadow: 0 16px 36px rgba(201, 138, 42, 0.28);
}

.button-primary:hover {
  box-shadow: 0 20px 44px rgba(201, 138, 42, 0.36);
}

.button-secondary {
  color: var(--text);
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.04);
}

.button-secondary:hover {
  border-color: rgba(255, 223, 149, 0.82);
  background: rgba(255, 255, 255, 0.08);
}

.hero-section,
.summary-section,
.showcase-section,
.trust-section,
.cta-section,
.site-footer {
  position: relative;
}

.hero-section {
  min-height: 100svh;
  padding: 110px 0 80px;
  background:
    linear-gradient(90deg, rgba(8, 5, 6, 0.96) 0%, rgba(8, 5, 6, 0.78) 48%, rgba(8, 5, 6, 0.72) 100%),
    url('./imgs/bg.webp') center/cover no-repeat;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 30%, rgba(241, 205, 118, 0.14), transparent 24%),
    radial-gradient(circle at 80% 35%, rgba(198, 116, 28, 0.22), transparent 22%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: center;
  gap: 42px;
}

.hero-copy {
  max-width: 620px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  color: var(--gold);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.hero-copy h1,
.section-heading h2,
.showcase-copy h2,
.panel-body h2,
.cta-copy h2,
.footer-brand h2 {
  margin: 0;
  font-family: 'Cinzel', serif;
  line-height: 1.05;
}

.hero-copy h1 {
  font-size: clamp(3rem, 6vw, 5.6rem);
  text-wrap: balance;
}

.hero-text {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: clamp(1.1rem, 2.2vw, 1.42rem);
  line-height: 1.75;
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 34px;
}

.hero-note {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-note span {
  padding: 10px 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
  font-size: 0.92rem;
}

.hero-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  align-items: start;
}

.feature-card {
  position: relative;
  min-height: 280px;
  padding: 30px 28px 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(40, 22, 18, 0.9), rgba(18, 10, 11, 0.96));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.feature-card:nth-child(3) {
  grid-column: span 2;
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(255, 223, 149, 0.18), transparent 28%);
  pointer-events: none;
}

.feature-icon-wrap {
  width: 150px;
  margin-bottom: 16px;
}

.feature-card h2,
.summary-card h3 {
  margin: 0;
  font-family: 'Cinzel', serif;
}

.feature-card h2 {
  font-size: 1.55rem;
}

.feature-card p,
.summary-card p,
.content-list li,
.cta-copy p,
.footer-note p {
  color: var(--muted);
  line-height: 1.85;
}

.feature-card p {
  margin: 14px 0 0;
}

.hero-chip {
  position: absolute;
  pointer-events: none;
  opacity: 0.85;
}

.hero-chip-left {
  left: 4vw;
  top: 20%;
  width: min(250px, 20vw);
}

.hero-chip-right {
  right: 4vw;
  top: 18%;
  width: min(260px, 20vw);
}

.hero-chip-bottom {
  left: 12vw;
  bottom: 0;
  width: min(190px, 14vw);
}

.summary-section {
  padding: 100px 0 60px;
}

.section-heading {
  max-width: 760px;
}

.section-heading h2,
.showcase-copy h2,
.panel-body h2,
.cta-copy h2,
.footer-brand h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin-top: 36px;
}

.summary-card,
.info-panel,
.cta-panel {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(26, 15, 16, 0.9), rgba(10, 7, 8, 0.96));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.summary-card {
  padding: 28px;
}

.summary-card::before,
.info-panel::before,
.cta-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 223, 149, 0.1), transparent 36%);
  pointer-events: none;
}

.summary-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin-bottom: 20px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--gold-strong);
  font-family: 'Cinzel', serif;
  font-size: 1.15rem;
}

.summary-card p {
  margin: 12px 0 0;
}

.showcase-section {
  padding: 84px 0 40px;
}

.showcase-section::before {
  content: '';
  position: absolute;
  inset: 12% 0 auto;
  height: 520px;
  background:
    linear-gradient(180deg, rgba(24, 11, 14, 0.7), rgba(24, 11, 14, 0)),
    url('./imgs/bg2.webp') center/contain no-repeat;
  opacity: 0.65;
  pointer-events: none;
}

.showcase-glow {
  position: absolute;
  left: 50%;
  top: 90px;
  width: min(860px, 90vw);
  height: 860px;
  background: radial-gradient(circle, rgba(154, 95, 28, 0.24) 0%, rgba(154, 95, 28, 0) 64%);
  transform: translateX(-50%);
  pointer-events: none;
}

.showcase-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.9fr);
  gap: 28px;
  align-items: center;
}

.showcase-stage,
.showcase-screen {
  position: relative;
  border: 1px solid var(--line);
  border-radius: clamp(28px, 4vw, 40px);
  background: linear-gradient(180deg, rgba(29, 16, 17, 0.88), rgba(10, 7, 8, 0.96));
  box-shadow: var(--shadow);
}

.showcase-stage {
  min-height: 560px;
  padding: 46px 28px 20px;
}

.showcase-machine {
  width: min(88%, 690px);
  margin: 0 auto;
}

.showcase-ornament {
  position: absolute;
}

.showcase-meihua {
  left: 24px;
  top: 30%;
  width: clamp(88px, 10vw, 132px);
}

.showcase-yintao {
  right: 28px;
  top: 38px;
  width: clamp(92px, 11vw, 132px);
}

.showcase-seven {
  right: 48px;
  bottom: 28px;
  width: clamp(84px, 9vw, 130px);
}

.showcase-copy {
  align-self: start;
  padding: 26px 0 0;
}

.content-list {
  margin: 24px 0 0;
  padding-left: 20px;
}

.content-list li + li {
  margin-top: 14px;
}

.showcase-screen {
  grid-column: 1 / -1;
  margin-top: 6px;
  padding: 18px;
}

.showcase-screen img {
  width: 100%;
  border-radius: 26px;
}

.trust-section {
  padding: 80px 0 70px;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px;
}

.info-panel {
  min-height: 100%;
}

.panel-visual {
  position: relative;
  min-height: 330px;
  padding: 24px;
}

.panel-character {
  width: min(86%, 470px);
  margin: 0 auto;
}

.role-character {
  width: min(80%, 400px);
}

.panel-chip {
  position: absolute;
}

.panel-chip-a {
  left: 18px;
  top: 24px;
  width: 106px;
}

.panel-chip-b {
  right: 24px;
  top: 86px;
  width: 148px;
}

.panel-body {
  padding: 0 32px 34px;
}

.cta-section {
  padding: 20px 0 100px;
}

.cta-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 34px;
}

.cta-copy {
  max-width: 620px;
}

.site-footer {
  padding: 0 0 48px;
}

.site-footer .container {
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(17, 11, 12, 0.96), rgba(7, 5, 6, 0.98));
  box-shadow: var(--shadow);
}

.footer-brand,
.footer-links,
.footer-note {
  position: relative;
  z-index: 1;
}

.footer-brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-brand img {
  width: min(180px, 24vw);
  border-radius: 18px;
  background: #fff;
  padding: 10px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 24px 34px;
  padding: 28px 0;
  margin: 28px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--gold-strong);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.footer-note {
  display: flex;
  align-items: center;
  gap: 20px;
}

.footer-note img {
  width: 86px;
  height: 86px;
  flex: 0 0 auto;
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 560ms ease, transform 560ms ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  .hero-grid,
  .showcase-grid,
  .trust-grid,
  .summary-grid {
    grid-template-columns: 1fr;
  }

  .hero-cards {
    grid-template-columns: 1fr;
  }

  .feature-card:nth-child(3) {
    grid-column: auto;
  }

  .showcase-copy {
    padding-top: 0;
  }

  .cta-panel {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 840px) {
  .nav-wrap {
    min-height: 78px;
  }

  .nav-links {
    display: none;
  }

  .hero-section {
    padding-top: 96px;
  }

  .hero-chip-left,
  .hero-chip-right {
    width: 160px;
    opacity: 0.6;
  }

  .hero-chip-bottom {
    width: 116px;
  }

  .footer-brand,
  .footer-note {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  :root {
    --container: calc(100vw - 28px);
  }

  .nav-wrap {
    gap: 12px;
  }

  .brand {
    min-width: 0;
    max-width: calc(100% - 152px);
  }

  .brand img {
    width: 50px;
    height: 50px;
    border-radius: 14px;
  }

  .brand-name {
    font-size: 1.02rem;
  }

  .brand-tag {
    font-size: 0.72rem;
  }

  .site-header .button {
    display: none;
  }

  .hero-actions .button,
  .cta-actions .button {
    width: 100%;
  }

  .hero-note {
    gap: 10px;
  }

  .hero-note span {
    width: 100%;
    text-align: center;
  }

  .feature-card,
  .summary-card,
  .panel-body,
  .cta-panel,
  .site-footer .container,
  .showcase-stage,
  .showcase-screen {
    padding-left: 20px;
    padding-right: 20px;
  }

  .panel-visual {
    min-height: 250px;
    padding: 16px;
  }

  .panel-chip-a,
  .panel-chip-b,
  .showcase-meihua,
  .showcase-yintao,
  .showcase-seven,
  .hero-chip-left,
  .hero-chip-right,
  .hero-chip-bottom {
    display: none;
  }

  .footer-links {
    gap: 16px;
    font-size: 0.92rem;
  }
}