:root {
  --bg: #020814;
  --bg-secondary: #060D1B;
  --bg-glass: rgba(6, 13, 27, 0.75);
  --accent-1: #818CF8;
  --accent-2: #22D3EE;
  --accent-3: #34D399;
  --accent-4: #F472B6;
  --grad-primary: linear-gradient(135deg, #818CF8, #22D3EE);
  --grad-hero: linear-gradient(135deg, #818CF8 0%, #A78BFA 50%, #22D3EE 100%);
  --grad-warm: linear-gradient(135deg, #F472B6, #818CF8);
  --surface: rgba(255, 255, 255, 0.04);
  --surface-hover: rgba(255, 255, 255, 0.075);
  --surface-card: rgba(255, 255, 255, 0.035);
  --border: rgba(255, 255, 255, 0.07);
  --border-hover: rgba(129, 140, 248, 0.5);
  --text-main: #F1F5F9;
  --text-muted: #94A3B8;
  --text-subtle: #475569;
  --font-heading: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --radius-xs: 6px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --header-height: 64px;
  --glow-primary: 0 0 60px rgba(129, 140, 248, 0.2);
  --glow-cyan: 0 0 60px rgba(34, 211, 238, 0.2);
  --glow-card: 0 20px 60px rgba(0, 0, 0, 0.5);
}

[data-theme="light"] {
  --bg: #F8FAFF;
  --bg-secondary: #EEF2FF;
  --bg-glass: rgba(248, 250, 255, 0.85);
  --surface: rgba(129, 140, 248, 0.06);
  --surface-hover: rgba(129, 140, 248, 0.1);
  --surface-card: rgba(255, 255, 255, 0.9);
  --border: rgba(129, 140, 248, 0.15);
  --border-hover: rgba(129, 140, 248, 0.5);
  --text-main: #0F172A;
  --text-muted: #475569;
  --text-subtle: #94A3B8;
  --glow-primary: 0 0 60px rgba(129, 140, 248, 0.12);
  --glow-cyan: 0 0 60px rgba(34, 211, 238, 0.12);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg);
  color: var(--text-main);
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color 0.4s ease, color 0.4s ease;
  line-height: 1.6;
}

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

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  color: inherit;
}

ul {
  list-style: none;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
}

.preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-geometry {
  position: relative;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hex {
  position: absolute;
  width: 56px;
  height: 56px;
  border: 2px solid var(--accent-1);
  border-radius: 4px;
  box-shadow: 0 0 20px rgba(129, 140, 248, 0.5), inset 0 0 20px rgba(129, 140, 248, 0.15);
  transform: rotate(45deg);
  animation: spinHex 2s cubic-bezier(0.68, -0.55, 0.265, 1.55) infinite;
}

.hex.inner {
  width: 28px;
  height: 28px;
  border-color: var(--accent-2);
  box-shadow: 0 0 15px rgba(34, 211, 238, 0.5), inset 0 0 15px rgba(34, 211, 238, 0.15);
  animation: spinHexReverse 2s cubic-bezier(0.68, -0.55, 0.265, 1.55) infinite;
}

.glow-point {
  width: 6px;
  height: 6px;
  background: var(--accent-1);
  border-radius: 50%;
  box-shadow: 0 0 20px 6px var(--accent-1);
  animation: pulsePoint 1s ease-in-out infinite alternate;
}

@keyframes spinHex {
  0% {
    transform: rotate(45deg) scale(0.85);
    opacity: 0.5;
  }

  50% {
    transform: rotate(225deg) scale(1.1);
    opacity: 1;
  }

  100% {
    transform: rotate(405deg) scale(0.85);
    opacity: 0.5;
  }
}

@keyframes spinHexReverse {
  0% {
    transform: rotate(45deg) scale(1.1);
    opacity: 1;
  }

  50% {
    transform: rotate(-135deg) scale(0.7);
    opacity: 0.5;
  }

  100% {
    transform: rotate(-315deg) scale(1.1);
    opacity: 1;
  }
}

@keyframes pulsePoint {
  0% {
    transform: scale(0.8);
    opacity: 0.6;
  }

  100% {
    transform: scale(1.6);
    opacity: 1;
  }
}

#particlesCanvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.5;
}

[data-theme="light"] #particlesCanvas {
  opacity: 0.2;
}

.bg-orbs {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.12;
}

.bg-orb-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #818CF8, transparent 70%);
  top: -200px;
  left: -100px;
  animation: orbFloat1 20s ease-in-out infinite;
}

.bg-orb-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #22D3EE, transparent 70%);
  top: 30%;
  right: -150px;
  animation: orbFloat2 25s ease-in-out infinite;
}

.bg-orb-3 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #F472B6, transparent 70%);
  bottom: 10%;
  left: 20%;
  animation: orbFloat3 18s ease-in-out infinite;
}

[data-theme="light"] .bg-orb {
  opacity: 0.06;
}

@keyframes orbFloat1 {

  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }

  33% {
    transform: translate(60px, 40px) scale(1.05);
  }

  66% {
    transform: translate(-30px, 80px) scale(0.95);
  }
}

@keyframes orbFloat2 {

  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }

  50% {
    transform: translate(-80px, -60px) scale(1.1);
  }
}

@keyframes orbFloat3 {

  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }

  40% {
    transform: translate(50px, -40px) scale(1.08);
  }

  80% {
    transform: translate(-30px, 30px) scale(0.92);
  }
}

.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  height: var(--header-height);
  background: transparent;
  transition: all var(--transition);
}

.navbar.scrolled {
  background: var(--bg-glass);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 40px rgba(0, 0, 0, 0.3);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

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

.logo-box {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(129, 140, 248, 0.2), rgba(34, 211, 238, 0.2));
  border: 1px solid rgba(129, 140, 248, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
}

.logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.logo-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.5px;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: 4px;
}

.nav-link {
  padding: 7px 14px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  transition: all var(--transition);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 5px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--grad-primary);
  transition: width var(--transition);
  border-radius: 2px;
}

.nav-link:hover {
  color: var(--text-main);
  background: var(--surface);
}

.nav-link.active {
  color: var(--accent-1);
}

.nav-link.active::after {
  width: 18px;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 6px;
  position: relative;
}

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition);
  border: 1px solid transparent;
}

.icon-btn:hover {
  background: var(--surface-hover);
  color: var(--text-main);
  border-color: var(--border);
}

.icon-btn .material-icons-round {
  font-size: 19px;
}

.lang-popup {
  position: absolute;
  top: 48px;
  right: 40px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 6px;
  min-width: 88px;
  backdrop-filter: blur(20px);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px) scale(0.97);
  transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 200;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4), 0 0 0 1px var(--border);
}

.lang-popup.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.lang-opt {
  display: block;
  width: 100%;
  text-align: left;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  transition: all var(--transition);
  color: var(--text-muted);
}

.lang-opt:hover {
  background: var(--surface-hover);
  color: var(--text-main);
}

.lang-opt.active {
  color: var(--accent-1);
  font-weight: 600;
  background: rgba(129, 140, 248, 0.08);
}

.menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}

.menu-btn:hover {
  background: var(--surface);
}

.menu-btn span {
  width: 20px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: var(--transition);
}

.menu-btn.on span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-btn.on span:nth-child(2) {
  opacity: 0;
}

.menu-btn.on span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.sidebar-mask {
  position: fixed;
  inset: 0;
  z-index: 140;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.sidebar-mask.show {
  opacity: 1;
  visibility: visible;
}

.sidebar {
  position: fixed;
  top: 0;
  left: -300px;
  bottom: 0;
  z-index: 150;
  width: 280px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transition: left 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar.open {
  left: 0;
}

.sb-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 22px 20px;
  border-bottom: 1px solid var(--border);
}

.sb-logo {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(129, 140, 248, 0.2), rgba(34, 211, 238, 0.2));
  border: 1px solid rgba(129, 140, 248, 0.3);
  object-fit: contain;
  padding: 4px;
}

.sb-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 16px;
}

.sb-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.sb-nav {
  flex: 1;
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.sb-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  transition: all var(--transition);
}

.sb-link:hover {
  background: var(--surface-hover);
  color: var(--text-main);
}

.sb-link.active {
  color: var(--accent-1);
  background: rgba(129, 140, 248, 0.1);
}

.sb-link .material-icons-round {
  font-size: 19px;
}

.sb-hr {
  height: 1px;
  background: var(--border);
  margin: 8px 0;
}

.content {
  position: relative;
  z-index: 2;
  overflow-x: hidden;
}

.section {
  display: none;
  min-height: calc(100vh - var(--header-height));
  padding: calc(var(--header-height) + 32px) 0 64px;
  flex-direction: column;
  justify-content: flex-start;
}

.section.page-active {
  display: flex;
}

@keyframes slideInFromRight {
  from {
    opacity: 0;
    transform: translateX(48px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInFromLeft {
  from {
    opacity: 0;
    transform: translateX(-48px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.section.slide-in-right {
  animation: slideInFromRight 0.38s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.section.slide-in-left {
  animation: slideInFromLeft 0.38s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
  width: 100%;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: all 0.7s cubic-bezier(0.5, 0, 0, 1);
}

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

.reveal-right {
  opacity: 0;
  transform: translateX(48px);
  transition: all 0.7s cubic-bezier(0.5, 0, 0, 1) 0.1s;
}

.reveal-right.active {
  opacity: 1;
  transform: translateX(0);
}

.hero {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 24px;
  align-items: center;
  min-height: 62vh;
}

.hero-content {
  padding-right: 8px;
  position: relative;
  z-index: 10;
}

.hero-ver {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  font-family: var(--font-mono);
}

.ver-tag {
  padding: 4px 12px;
  background: rgba(129, 140, 248, 0.1);
  border: 1px solid rgba(129, 140, 248, 0.3);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-1);
  letter-spacing: 0.02em;
}

.ver-ch {
  padding: 4px 10px;
  background: rgba(52, 211, 153, 0.1);
  border: 1px solid rgba(52, 211, 153, 0.25);
  color: var(--accent-3);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
}

.hero-title {
  font-size: clamp(44px, 5.5vw, 72px);
  line-height: 1.06;
  font-weight: 800;
  margin-bottom: 22px;
}

.highlight {
  background: var(--grad-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

.hero-desc {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 440px;
  line-height: 1.8;
}

.hero-btns {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.hero-btn-grid {
  display: grid;
  grid-template-columns: auto auto;
  gap: 10px;
  margin-bottom: 24px;
  justify-content: start;
  align-items: start;
}

.hero-btn-grid .magnetic-btn,
.hero-btn-grid .btn-ghost {
  width: auto;
  white-space: nowrap;
}

.title-xtc-row {
  display: inline-flex;
  align-items: center;
  gap: 0.18em;
  line-height: 1;
}

.hero-title-logo {
  height: 0.85em;
  width: 0.85em;
  object-fit: contain;
  border-radius: 0.15em;
  flex-shrink: 0;
  vertical-align: middle;
  background: #ffffff;
  padding: 0.05em;
}

.hero-visual {
  position: relative;
  perspective: 1800px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-glow {
  position: absolute;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 50% 50%, var(--accent-1), var(--accent-2), transparent 60%);
  filter: blur(80px);
  opacity: 0.5;
  mix-blend-mode: screen;
  z-index: 1;
  transition: transform 0.15s ease-out, opacity 0.15s ease-out;
  pointer-events: none;
}
[data-theme="light"] .hero-glow { mix-blend-mode: multiply; opacity: 0.25; filter: blur(60px); }

.hero-image-wrapper {
  position: relative;
  z-index: 2;
  width: 135%;
  max-width: 960px;
  margin-left: -32%;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 48px 96px -24px rgba(0, 0, 0, 0.7), 0 0 100px rgba(129, 140, 248, 0.15), 0 0 1px rgba(255, 255, 255, 0.08);
  transform: rotateY(-22deg) rotateX(4deg) translateZ(0);
  transition: transform 0.15s ease-out;
  border: 1px solid rgba(255, 255, 255, 0.07);
  backface-visibility: hidden;
  transform-style: preserve-3d;
  will-change: transform;
}

.hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

[data-theme="light"] .hero-image-wrapper {
  box-shadow: 0 48px 96px -24px rgba(99, 102, 241, 0.12), 0 0 80px rgba(129, 140, 248, 0.1);
  border-color: rgba(129, 140, 248, 0.15);
}

.magnetic-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 26px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow var(--transition);
  overflow: hidden;
  z-index: 1;
  cursor: pointer;
}

.btn-content {
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 2;
  pointer-events: none;
}

.btn-content .material-icons-round {
  font-size: 18px;
}

.btn-primary {
  background: linear-gradient(135deg, #818CF8, #6366F1);
  color: #fff;
  box-shadow: 0 4px 24px rgba(99, 102, 241, 0.4), 0 1px 0 rgba(255, 255, 255, 0.1) inset;
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 32px rgba(99, 102, 241, 0.5), 0 1px 0 rgba(255, 255, 255, 0.15) inset;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-secondary {
  background: var(--surface);
  color: var(--text-main);
  border: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
}

.btn-secondary:hover {
  background: var(--surface-hover);
  border-color: rgba(129, 140, 248, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 11px 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.btn-ghost:hover {
  color: var(--text-main);
  background: var(--surface-hover);
  border-color: rgba(129, 140, 248, 0.35);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.btn-ghost .material-icons-round {
  font-size: 17px;
}

.btn-qq {
  color: #38BDF8;
}

.btn-qq:hover {
  border-color: rgba(56, 189, 248, 0.4);
  color: #38BDF8;
}

.cards-section {
  margin-top: 48px;
}

.sec-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.sec-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 0;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-main);
}

.sec-title .title-bar {
  width: 3px;
  height: 20px;
  background: var(--grad-primary);
  border-radius: 2px;
  flex-shrink: 0;
}

.sec-note {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.5;
  margin: 0;
}

.dl-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.dl-card {
  min-height: 210px;
  border-radius: var(--radius-lg);
  background: var(--surface-card);
  border: 1px solid var(--border);
  overflow: hidden;
  position: relative;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.dl-card::before {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: calc(var(--radius-lg) - 1px);
  pointer-events: none;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.04), transparent 42%);
}

.dl-card>* {
  position: relative;
  z-index: 1;
}

.dl-card:hover {
  border-color: rgba(129, 140, 248, 0.3);
  transform: translateY(-3px);
  box-shadow: var(--glow-card), 0 0 0 1px rgba(129, 140, 248, 0.1);
}

.dl-card--primary {
  background: linear-gradient(145deg, var(--surface-card), rgba(129, 140, 248, 0.04));
}

[data-theme="light"] .dl-card--primary {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.95), rgba(220, 225, 255, 0.6));
}

.dl-card-inner {
  padding: clamp(18px, 2.4vw, 28px);
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
}

.dl-card-top {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.dl-badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 22px;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.03em;
  border: 1px solid transparent;
}

.dl-badge--good {
  color: var(--accent-3);
  background: rgba(52, 211, 153, 0.1);
  border-color: rgba(52, 211, 153, 0.25);
}

.dl-badge--wait {
  color: #e8a838;
  background: rgba(232, 168, 56, 0.1);
  border-color: rgba(232, 168, 56, 0.25);
}

.dl-name {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-main);
}

.dl-desc {
  margin: 0;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.6;
}

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

.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: minmax(180px, auto);
  gap: 16px;
}

.bento-grid.three-col .bento-card {
  grid-column: span 1;
}

.bento-grid.three-col .card-inner {
  flex-direction: column;
  align-items: flex-start;
}

.bento-grid.three-col .card-ico {
  margin-bottom: 18px;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
}

.bento-grid.three-col .card-ico .material-icons-round {
  font-size: 26px;
}

.bento-wide {
  grid-column: span 2;
}

.bento-tall {
  grid-row: span 2;
}

.spot-hover {
  position: relative;
  border-radius: var(--radius-lg);
  background: var(--surface-card);
  border: 1px solid var(--border);
  overflow: hidden;
  cursor: default;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.spot-hover:hover {
  border-color: rgba(129, 140, 248, 0.3);
  transform: translateY(-3px);
  box-shadow: var(--glow-card), 0 0 0 1px rgba(129, 140, 248, 0.1);
}

.spotlight {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.4s;
  background: radial-gradient(400px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(129, 140, 248, 0.06), transparent 60%);
  z-index: 1;
  pointer-events: none;
}

[data-theme="light"] .spotlight {
  background: radial-gradient(400px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(99, 102, 241, 0.08), transparent 60%);
}

.spot-hover:hover .spotlight {
  opacity: 1;
}

.card-inner {
  position: relative;
  z-index: 2;
  padding: 28px;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.bento-wide .card-inner {
  flex-direction: row;
  align-items: center;
  gap: 28px;
}

.card-ico {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  flex-shrink: 0;
}

.bento-wide .card-ico {
  margin-bottom: 0;
  width: 68px;
  height: 68px;
  border-radius: 18px;
}

.card-ico .material-icons-round {
  font-size: 26px;
  color: #fff;
}

.card-ico .custom-ico {
  width: 34px;
  height: 34px;
  object-fit: contain;
}

.bento-wide .card-ico .material-icons-round {
  font-size: 32px;
}

.bento-wide .card-ico .custom-ico {
  width: 60px;
  height: 60px;
}

.c1 {
  background: linear-gradient(135deg, #818CF8, #6366F1);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.3);
}

.c2 {
  background: linear-gradient(135deg, #22D3EE, #0891B2);
  box-shadow: 0 8px 24px rgba(34, 211, 238, 0.3);
}

.c3 {
  background: linear-gradient(135deg, #A78BFA, #7C3AED);
  box-shadow: 0 8px 24px rgba(167, 139, 250, 0.3);
}

.c4 {
  background: linear-gradient(135deg, #34D399, #059669);
  box-shadow: 0 8px 24px rgba(52, 211, 153, 0.3);
}

.card-content h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-main);
}

.card-content p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
}

.announce-box {
  margin-top: 24px;
  padding: 22px 24px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(129, 140, 248, 0.05), rgba(34, 211, 238, 0.03));
  border: 1px solid rgba(129, 140, 248, 0.2);
  position: relative;
  overflow: hidden;
}

.announce-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(129, 140, 248, 0.5), transparent);
}

.announce-head {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--accent-1);
  margin-bottom: 12px;
  font-size: 14px;
}

.announce-head .material-icons-round {
  font-size: 18px;
}

.announce-ver {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.announce-list li {
  padding: 5px 0 5px 18px;
  font-size: 14px;
  color: var(--text-main);
  position: relative;
  line-height: 1.6;
}

.announce-list li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--accent-1);
  font-weight: 700;
  font-size: 16px;
  line-height: 1;
  top: 7px;
}

.pg-head {
  margin-bottom: 40px;
}

.pg-head h1 {
  font-size: 32px;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
  font-weight: 800;
}

.pg-head h1 .material-icons-round {
  color: var(--accent-1);
  font-size: 32px;
}

.pg-head p {
  color: var(--text-muted);
  font-size: 15px;
}

.timeline {
  position: relative;
  padding-left: 28px;
  max-width: 760px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 0;
  bottom: 0;
  width: 1.5px;
  background: linear-gradient(to bottom, var(--accent-1) 0%, rgba(129, 140, 248, 0.3) 15%, var(--border) 100%);
}

.tl-entry {
  position: relative;
  margin-bottom: 20px;
  padding: 22px 24px;
  border-radius: var(--radius-lg);
  background: var(--surface-card);
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.tl-entry:hover {
  border-color: rgba(129, 140, 248, 0.35);
  transform: translateX(4px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.tl-entry::before {
  content: '';
  position: absolute;
  left: -27px;
  top: 26px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent-1);
  box-shadow: 0 0 8px rgba(129, 140, 248, 0.6);
}

.tl-entry:not(:first-child) {
  opacity: 0.65;
}

.tl-entry:not(:first-child):hover {
  opacity: 1;
}

.tl-entry:not(:first-child)::before {
  border-color: var(--text-subtle);
  box-shadow: none;
}

.tl-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 8px;
}

.tl-ver {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 16px;
  color: var(--accent-1);
}

.tl-entry:not(:first-child) .tl-ver {
  color: var(--text-main);
}

.tl-date {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  background: var(--surface);
  padding: 3px 10px;
  border-radius: 100px;
  border: 1px solid var(--border);
}

.tl-list li {
  padding: 4px 0 4px 16px;
  font-size: 13px;
  color: var(--text-muted);
  position: relative;
  line-height: 1.7;
}

.tl-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 11px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent-1);
  opacity: 0.6;
}

.tl-entry:not(:first-child) .tl-list li::before {
  background: var(--text-subtle);
}

.loader {
  display: flex;
  justify-content: center;
  padding: 60px 0;
}

.spinner {
  width: 36px;
  height: 36px;
  border: 2px solid var(--border);
  border-top-color: var(--accent-1);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.about-head {
  margin-bottom: 32px;
}

.about-head h1 {
  font-size: 32px;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
  font-weight: 800;
}

.about-head h1 .material-icons-round {
  color: var(--accent-1);
  font-size: 32px;
}

.about-head p {
  color: var(--text-muted);
  font-size: 15px;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
  margin-bottom: 40px;
}

.team-card {
  position: relative;
  min-height: 108px;
  padding: 16px;
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  border-radius: var(--radius-lg);
  background: var(--surface-card);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.team-card::before {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: calc(var(--radius-lg) - 1px);
  pointer-events: none;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.04), transparent 42%);
  opacity: 0.9;
}

.team-card>* {
  position: relative;
  z-index: 1;
}

.team-card:hover {
  border-color: rgba(129, 140, 248, 0.3);
  transform: translateY(-3px);
  box-shadow: var(--glow-card), 0 0 0 1px rgba(129, 140, 248, 0.1);
}

[data-theme="light"] .team-card {
  background: rgba(255, 255, 255, 0.9);
}

[data-theme="light"] .team-card::before {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.54), transparent 42%);
}

.avatar-img {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  object-fit: cover;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.team-name {
  margin: 0;
  font-size: 15px;
  line-height: 1.24;
  font-weight: 700;
  color: var(--text-main);
}

.team-role {
  margin: 5px 0 0;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.45;
}

.team-loading {
  grid-column: 1 / -1;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  padding: 40px 0;
  color: var(--text-muted);
  font-size: 14px;
}

.about-bento {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}

.about-card .card-inner {
  padding: 22px 24px;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.ico-gradient {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 22px;
}

.about-card h3 {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.about-desc {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
}

.ext-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  transition: color var(--transition);
}

.ext-link:hover {
  color: var(--accent-1);
}

.ext-link .material-icons-round {
  font-size: 14px;
  color: var(--text-muted);
}

.qq-link {
  color: var(--accent-2);
}

.qq-link:hover {
  color: var(--accent-2) !important;
}

.ver-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.glow-text {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer {
  position: relative;
  z-index: 2;
  padding: 20px 28px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  background: var(--bg-secondary);
}

.footer .dot {
  color: var(--accent-1);
  opacity: 0.6;
}

@media (max-width: 992px) {
  .dl-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
    margin-top: 16px;
  }

  .hero-content {
    padding-right: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

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

  .hero-stats {
    justify-content: center;
  }

  .hero-btn-grid {
    justify-content: center;
  }

  .hero-visual {
    justify-content: center;
    overflow: visible;
  }

  .hero-image-wrapper {
    width: 88%;
    max-width: 500px;
    margin-left: 0;
  }

  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .bento-wide {
    grid-column: span 2;
  }

  .bento-wide .card-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 58px;
  }

  .menu-btn {
    display: flex;
  }

  .nav-links {
    display: none;
  }

  .container {
    padding: 0 18px;
  }

  .hero-logo-badge {
    display: none;
  }

  .hero-title {
    font-size: clamp(34px, 9vw, 48px);
  }

  .hero-desc {
    font-size: 15px;
  }

  .hero-btn-grid {
    grid-template-columns: auto auto;
    gap: 8px;
  }

  .hero-image-wrapper {
    width: 100%;
    max-width: 360px;
    transform: rotateY(0) rotateX(0);
    animation: none;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 14px;
  }

  .stat-num {
    font-size: 16px;
  }

  .bento-grid.three-col,
  .bento-grid {
    grid-template-columns: 1fr;
  }

  .bento-wide,
  .bento-tall {
    grid-column: span 1;
    grid-row: span 1;
  }

  .about-bento {
    grid-template-columns: 1fr;
  }

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

  .about-head h1 {
    font-size: 26px;
  }

  .about-head h1 .material-icons-round {
    font-size: 26px;
  }

  .card-inner {
    padding: 22px;
  }

  .timeline {
    padding-left: 18px;
  }

  .tl-entry::before {
    left: -17px;
    width: 8px;
    height: 8px;
    top: 26px;
  }

  .tl-entry {
    padding: 18px;
  }

  .tl-ver {
    font-size: 14px;
  }

  .pg-head h1 {
    font-size: 26px;
  }

  .pg-head h1 .material-icons-round {
    font-size: 26px;
  }

  .section {
    padding: calc(var(--header-height) + 20px) 0 48px;
  }

  .footer {
    flex-wrap: wrap;
    justify-content: center;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-btn-grid {
    grid-template-columns: 1fr 1fr;
    width: 100%;
  }

  .hero-btn-grid .magnetic-btn,
  .hero-btn-grid .btn-ghost {
    width: 100%;
    justify-content: center;
  }

  .magnetic-btn {
    padding: 11px 16px;
    font-size: 13px;
  }

  .btn-ghost {
    padding: 10px 14px;
    font-size: 13px;
  }
}

@keyframes charWave {

  0%,
  100% {
    transform: translateY(0);
  }

  40% {
    transform: translateY(-7px);
  }
}

.highlight-wave {
  display: inline-block;
}

.highlight-wave .wc {
  display: inline-block;
  animation: charWave 1.6s ease-in-out infinite;
}

.dl-card-inner--with-preview {
  flex-direction: row;
  align-items: stretch;
  gap: 14px;
  padding: clamp(14px, 2vw, 22px);
}

.dl-card-body {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 16px;
  min-width: 140px;
  max-width: 55%;
}

.dl-preview-btn {
  position: relative;
  flex: 1;
  min-width: 0;
  align-self: stretch;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: zoom-in;
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  padding: 0;
  transition: border-color var(--transition), transform var(--transition);
}

.dl-preview-btn:hover {
  border-color: rgba(129, 140, 248, 0.4);
  transform: scale(1.02);
}

.dl-preview-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.dl-preview-zoom {
  position: absolute;
  bottom: 6px;
  right: 6px;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.dl-preview-zoom .material-icons-round {
  font-size: 15px;
  color: #fff;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9000;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s var(--transition);
}

.lightbox.open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-img {
  max-width: 92vw;
  max-height: 88vh;
  border-radius: var(--radius-lg);
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.6);
  object-fit: contain;
  transform: scale(0.94);
  transition: transform 0.28s cubic-bezier(0.22, 1, .36, 1);
}

.lightbox.open .lightbox-img {
  transform: scale(1);
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  cursor: pointer;
  transition: background var(--transition);
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.22);
}

.lightbox-close .material-icons-round {
  font-size: 20px;
}