@import url('https://fonts.googleapis.com/css2?family=Cormorant+Infant:wght@300;400;500;600;700&family=Great+Vibes&display=swap');

:root {
  --c-primary: #6514ff;
  --c-accent: #bf00ff;
  --c-dark: #1c1726;
  --c-dark2: #241c33;
  --c-dark3: #2e2440;
  --c-light: #f3eeff;
  --c-light2: #e8d9ff;
  --c-text: #f0eaff;
  --c-muted: #b8a8d8;
  --c-white: #ffffff;
  --c-card: #241c33;
  --radius-card: 28px;
  --radius-btn: 50px;
  --nav-h: 72px;
  --font-display: 'Great Vibes', cursive;
  --font-body: 'Cormorant Infant', Georgia, 'Times New Roman', serif;
  --trans: 200ms ease;
  --trans-slow: 300ms ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background: var(--c-dark);
  color: var(--c-text);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: 1.7;
  background: var(--c-dark);
  color: var(--c-text);
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---- animated bg pattern ---- */
body.page-home::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(101,20,255,0.18) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(191,0,255,0.15) 0%, transparent 50%),
    radial-gradient(circle at 60% 10%, rgba(191,0,255,0.08) 0%, transparent 40%);
  background-size: 200% 200%;
  animation: bgShift 12s ease-in-out infinite alternate;
  pointer-events: none;
  z-index: 0;
}

@keyframes bgShift {
  0% { background-position: 0% 0%, 100% 100%, 60% 10%; }
  100% { background-position: 30% 30%, 70% 70%, 80% 20%; }
}

/* ============================
   HEADER / NAV
   ============================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  background: rgba(28,23,38,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(101,20,255,0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 24px;
  gap: 16px;
}

.nav-left,
.nav-right {
  flex: 1;
}

.nav-right {
  display: flex;
  justify-content: flex-end;
}

.nav-left p,
.nav-right p {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.nav-left p a,
.nav-right p a {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--c-muted);
  padding: 10px 12px;
  border-radius: 8px;
  transition: color var(--trans), background var(--trans);
  white-space: nowrap;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.nav-left p a:hover,
.nav-right p a:hover {
  color: var(--c-light);
  background: rgba(101,20,255,0.2);
}

.brand-center {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-logo {
  height: 44px;
  width: auto;
}

.brand-text {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--c-light);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.cta-btn {
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  color: var(--c-white) !important;
  padding: 12px 20px !important;
  border-radius: var(--radius-btn) !important;
  font-weight: 600 !important;
  font-size: 0.9rem !important;
  transition: opacity var(--trans), transform var(--trans) !important;
  background-color: transparent;
  min-height: 44px;
  display: inline-flex !important;
  align-items: center !important;
}

.cta-btn:hover {
  opacity: 0.88;
  transform: translateY(-1px);
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent)) !important;
}

/* ============================
   MAIN
   ============================ */
main {
  position: relative;
  z-index: 1;
  padding-top: var(--nav-h);
}

/* ============================
   HERO
   ============================ */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: stretch;
  overflow: hidden;
  scroll-margin-top: var(--nav-h);
}

.hero-media {
  flex: 0 0 50%;
  position: relative;
  background: var(--c-dark2);
  overflow: hidden;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-geo {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.geo-1 {
  width: 300px; height: 300px;
  background: rgba(101,20,255,0.4);
  top: -60px; left: -60px;
  filter: blur(60px);
  animation: geoFloat1 8s ease-in-out infinite;
}

.geo-2 {
  width: 200px; height: 200px;
  background: rgba(191,0,255,0.35);
  bottom: 40px; right: -40px;
  filter: blur(50px);
  animation: geoFloat2 10s ease-in-out infinite;
}

@keyframes geoFloat1 {
  0%, 100% { transform: translate(0,0) scale(1); }
  50% { transform: translate(30px, 40px) scale(1.1); }
}

@keyframes geoFloat2 {
  0%, 100% { transform: translate(0,0) scale(1); }
  50% { transform: translate(-20px, -30px) scale(1.08); }
}

.hero-slash {
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  width: 80px;
  transform: translateX(-50%) skewX(-6deg);
  background: linear-gradient(180deg, var(--c-primary) 0%, var(--c-accent) 100%);
  opacity: 0.85;
  z-index: 2;
  pointer-events: none;
}

.hero-content {
  flex: 0 0 50%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 80px 64px 80px 80px;
  position: relative;
  z-index: 3;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-accent);
  background: rgba(191,0,255,0.12);
  border: 1px solid rgba(191,0,255,0.4);
  padding: 6px 18px;
  border-radius: var(--radius-btn);
  margin-bottom: 24px;
}

.hero-content h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  line-height: 1.15;
  color: var(--c-white);
  margin-bottom: 24px;
  text-shadow: 0 0 40px rgba(191,0,255,0.4);
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--c-muted);
  max-width: 380px;
  margin-bottom: 40px;
  line-height: 1.75;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-accent) 100%);
  color: var(--c-white);
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 700;
  padding: 16px 40px;
  border-radius: var(--radius-btn);
  transition: transform var(--trans), box-shadow var(--trans);
  box-shadow: 0 8px 32px rgba(101,20,255,0.45);
  min-height: 48px;
}

.hero-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 48px rgba(191,0,255,0.5);
}

/* ============================
   CONTENT WRAPPER
   ============================ */
.content-wrapper {
  display: flex;
  gap: 48px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 80px 24px;
  align-items: flex-start;
}

.content-main {
  flex: 1 1 0;
  min-width: 0;
}

/* ============================
   page.content 内部元素
   ============================ */
.content-main div {
  scroll-margin-top: calc(var(--nav-h) + 16px);
  padding: 64px 0;
  border-bottom: 1px solid rgba(101,20,255,0.18);
}

.content-main div:last-child {
  border-bottom: none;
}

.content-main h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  color: var(--c-white);
  margin-bottom: 24px;
  line-height: 1.2;
}

.content-main h2 span {
  background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.content-main h3 {
  font-size: 1.45rem;
  font-weight: 600;
  color: var(--c-light2);
  margin: 32px 0 12px;
}

.content-main h3 span {
  color: var(--c-accent);
}

.content-main p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--c-muted);
  margin-bottom: 16px;
}

.content-main ul,
.content-main ol {
  padding-left: 1.5em;
  margin-bottom: 16px;
  color: var(--c-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.content-main li { margin-bottom: 8px; }

.content-main strong { color: var(--c-light); font-weight: 700; }

.content-main a {
  color: var(--c-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--trans);
}

.content-main a:hover { color: var(--c-light); }

.content-main img {
  border-radius: var(--radius-card);
  margin: 24px 0;
  max-width: 100%;
}

.content-main blockquote {
  border-left: 4px solid var(--c-primary);
  padding: 16px 24px;
  margin: 24px 0;
  background: rgba(101,20,255,0.08);
  border-radius: 0 16px 16px 0;
  font-style: italic;
  color: var(--c-light2);
}

.content-main .card,
.content-main [class*="card"] {
  background: var(--c-card);
  border-radius: var(--radius-card);
  padding: 32px;
  margin: 24px 0;
}

/* ============================
   ASIDE
   ============================ */
.content-aside {
  flex: 0 0 280px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: calc(var(--nav-h) + 24px);
}

.aside-block {
  background: var(--c-dark2);
  border-radius: var(--radius-card);
  padding: 28px 24px;
  border: 1px solid rgba(101,20,255,0.2);
}

.aside-title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--c-light);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--c-primary);
  display: block;
}

.aside-title span {
  color: var(--c-light);
}

.aside-nav-list li {
  border-bottom: 1px solid rgba(101,20,255,0.1);
}

.aside-nav-list li:last-child { border-bottom: none; }

.aside-nav-list a {
  display: flex;
  align-items: center;
  padding: 10px 0;
  font-size: 0.95rem;
  color: var(--c-muted);
  transition: color var(--trans), padding-left var(--trans);
  min-height: 44px;
}

.aside-nav-list a:hover {
  color: var(--c-accent);
  padding-left: 8px;
}

.aside-highlight {
  background: linear-gradient(135deg, rgba(101,20,255,0.2), rgba(191,0,255,0.15));
  border-color: rgba(191,0,255,0.35);
}

.aside-highlight p {
  font-size: 0.9rem;
  color: var(--c-light2);
  line-height: 1.65;
}

.aside-stat {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.stat-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--c-accent);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--c-muted);
}

/* ============================
   FOOTER
   ============================ */
.site-footer {
  position: relative;
  z-index: 1;
  background: var(--c-dark);
  border-top: 2px solid rgba(101,20,255,0.3);
  margin-top: 80px;
}

.footer-cta-block {
  position: relative;
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-accent) 100%);
  padding: 80px 48px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-cta-inner {
  max-width: 720px;
  text-align: center;
  position: relative;
  z-index: 2;
}

.footer-cta-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--c-white);
  margin-bottom: 20px;
  line-height: 1.2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.footer-cta-title span:first-child {
  font-size: 1.1em;
}

.footer-cta-desc {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 36px;
  line-height: 1.7;
}

.footer-cta-btn {
  display: inline-flex;
  align-items: center;
  background: var(--c-white);
  color: var(--c-primary);
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 700;
  padding: 16px 48px;
  border-radius: var(--radius-btn);
  transition: transform var(--trans), box-shadow var(--trans);
  box-shadow: 0 8px 32px rgba(0,0,0,0.25);
  min-height: 48px;
}

.footer-cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.35);
}

.footer-cta-geo {
  position: absolute;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  top: -120px; right: -80px;
  pointer-events: none;
}

.footer-links-block {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 48px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 64px 24px 48px;
}

.footer-logo-link {
  display: inline-block;
  margin-bottom: 16px;
}

.footer-logo {
  height: 40px;
  width: auto;
}

.footer-brand-name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--c-light);
  display: block;
  margin-bottom: 16px;
}

.footer-brand-desc {
  font-size: 0.9rem;
  color: var(--c-muted);
  line-height: 1.65;
}

.footer-col-title {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--c-accent);
  text-transform: uppercase;
  margin-bottom: 20px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(191,0,255,0.25);
}

.footer-nav-list li { margin-bottom: 4px; }

.footer-nav-list a {
  font-size: 0.95rem;
  color: var(--c-muted);
  padding: 10px 0;
  display: flex;
  align-items: center;
  transition: color var(--trans), padding-left var(--trans);
  min-height: 44px;
}

.footer-nav-list a:hover {
  color: var(--c-light);
  padding-left: 6px;
}

.footer-about-text {
  font-size: 0.9rem;
  color: var(--c-muted);
  line-height: 1.65;
  margin-bottom: 16px;
}

.footer-palette {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.palette-dot {
  width: 20px; height: 20px;
  border-radius: 50%;
  display: block;
  border: 2px solid rgba(255,255,255,0.15);
}

.footer-bottom-bar {
  border-top: 1px solid rgba(101,20,255,0.2);
  padding: 20px 24px;
  text-align: center;
}

.footer-copyright {
  font-size: 0.85rem;
  color: var(--c-muted);
}

/* ============================
   SCROLL MARGIN
   ============================ */
div[id] {
  scroll-margin-top: calc(var(--nav-h) + 8px);
}

/* ============================
   HOVER MICRO-INTERACTIONS
   ============================ */
.content-main div {
  transition: transform 300ms ease;
}

.aside-block {
  transition: border-color var(--trans-slow), box-shadow var(--trans-slow);
}

.aside-block:hover {
  border-color: rgba(191,0,255,0.5);
  box-shadow: 0 4px 32px rgba(101,20,255,0.2);
}

/* ============================
   SCROLL SNAP
   ============================ */
@supports (scroll-snap-type: y mandatory) {
  .hero-section {
    scroll-snap-align: start;
  }
}

/* ============================
   RESPONSIVE
   ============================ */
@media (max-width: 1024px) {
  .content-wrapper {
    flex-direction: column;
    gap: 40px;
  }

  .content-aside {
    flex: 0 0 auto;
    position: static;
    width: 100%;
    flex-direction: row;
    flex-wrap: wrap;
  }

  .aside-block {
    flex: 1 1 220px;
  }

  .footer-links-block {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
}

@media (max-width: 768px) {
  :root { --nav-h: 60px; }

  .header-inner {
    padding: 0 16px;
    gap: 8px;
  }

  .nav-left p a,
  .nav-right p a {
    font-size: 0.82rem;
    padding: 10px 8px;
    min-height: 44px;
  }

  .brand-text {
    font-size: 1.2rem;
  }

  .hero-section {
    flex-direction: column;
    min-height: 100vh;
  }

  .hero-media {
    flex: 0 0 45vh;
    width: 100%;
    min-height: 240px;
  }

  .hero-slash {
    top: 42vh;
    bottom: auto;
    left: 0;
    right: 0;
    width: auto;
    height: 60px;
    transform: none;
    clip-path: polygon(0 0, 100% 20%, 100% 100%, 0 100%);
    background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
  }

  .hero-content {
    flex: 1;
    padding: 48px 24px 64px;
    align-items: flex-start;
    text-align: left;
  }

  .hero-desc { max-width: 100%; }

  .content-wrapper { padding: 48px 16px; }

  .content-aside {
    flex-direction: column;
  }

  .footer-cta-block { padding: 56px 24px; }

  .footer-links-block {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    padding: 48px 16px 32px;
  }

  .footer-bottom-bar { padding: 16px; }
}

@media (max-width: 480px) {
  .header-inner {
    flex-wrap: wrap;
    height: auto;
    padding: 8px 12px;
  }

  .site-header {
    height: auto;
    position: fixed;
  }

  main { padding-top: 80px; }

  .nav-left,
  .nav-right {
    flex: 0 0 auto;
  }

  .brand-center {
    order: -1;
    width: 100%;
    justify-content: center;
    padding: 4px 0;
  }

  .nav-left p,
  .nav-right p {
    gap: 2px;
  }

  .nav-left p a,
  .nav-right p a {
    font-size: 0.78rem;
    padding: 10px 6px;
    min-height: 44px;
  }

  .footer-links-block {
    grid-template-columns: 1fr;
  }

  .footer-cta-title {
    font-size: 1.8rem;
  }
}

button[aria-expanded]{min-width:44px;min-height:44px}