:root {
  --void: #050510;
  --void-soft: #07101d;
  --surface: rgba(10, 21, 35, 0.7);
  --surface-strong: rgba(11, 24, 40, 0.9);
  --text: #e6edf3;
  --text-muted: #8b949e;
  --cyan: #38f9d7;
  --blue: #60a5fa;
  --violet: #a78bfa;
  --line: rgba(96, 165, 250, 0.18);
  --line-strong: rgba(56, 249, 215, 0.34);
  --shell: min(1420px, calc(100vw - 96px));
  --font-display: "Manrope", "Avenir Next", sans-serif;
  --font-cn: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  color-scheme: dark;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-snap-type: y mandatory;
  scroll-padding-top: 0;
  background: var(--void);
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--text);
  background:
    radial-gradient(circle at 78% 9%, rgba(25, 71, 110, 0.16), transparent 28%),
    radial-gradient(circle at 22% 60%, rgba(56, 249, 215, 0.035), transparent 24%),
    var(--void);
  font-family: var(--font-cn);
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  content: "";
  opacity: 0.18;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.88' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.14'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
  font: inherit;
}

::selection {
  color: #02040a;
  background: var(--cyan);
}

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

.snap-page {
  min-height: 100svh;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  perspective: 1400px;
}

.js .snap-page > .page-shell {
  opacity: 0.46;
  filter: blur(1.5px);
  transform: perspective(1400px) translateY(46px) rotateX(3.5deg) scale(0.986);
  transform-origin: center top;
  transition:
    opacity 0.72s cubic-bezier(0.22, 1, 0.36, 1),
    filter 0.72s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.84s cubic-bezier(0.22, 1, 0.36, 1);
}

.js .snap-page.is-page-active > .page-shell {
  opacity: 1;
  filter: blur(0);
  transform: perspective(1400px) translateY(0) rotateX(0) scale(1);
}

.page-pagination {
  position: fixed;
  top: 50%;
  left: 18px;
  z-index: 28;
  display: grid;
  gap: 8px;
  transform: translateY(-50%);
}

.page-pagination a {
  display: grid;
  grid-template-columns: 20px 18px auto;
  align-items: center;
  min-height: 28px;
  color: rgba(139, 148, 158, 0.3);
  font: 600 7px/1 var(--font-display);
  letter-spacing: 0.14em;
  transition: color 0.25s ease;
}

.page-pagination span {
  opacity: 0;
  transition: opacity 0.25s ease;
}

.page-pagination i {
  display: block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(139, 148, 158, 0.32);
  transition: width 0.25s ease, height 0.25s ease, border-radius 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}

.page-pagination em {
  opacity: 0;
  font-style: normal;
  white-space: nowrap;
  transform: translateX(-5px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.page-pagination a:hover,
.page-pagination a.is-active {
  color: rgba(230, 237, 243, 0.7);
}

.page-pagination a:hover span,
.page-pagination a:hover em,
.page-pagination a.is-active span {
  opacity: 1;
}

.page-pagination a:hover em {
  transform: translateX(0);
}

.page-pagination a.is-active i {
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(56, 249, 215, 0.65);
}

.cursor-aura {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1;
  width: 420px;
  height: 420px;
  pointer-events: none;
  opacity: 0;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 249, 215, 0.05), rgba(56, 249, 215, 0) 68%);
  transform: translate3d(calc(var(--cursor-x, -1000px) - 50%), calc(var(--cursor-y, -1000px) - 50%), 0);
  transition: opacity 0.4s ease;
}

body:hover .cursor-aura {
  opacity: 1;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: 78px;
  padding: 0 48px;
  border-bottom: 1px solid rgba(230, 237, 243, 0.1);
  background: rgba(5, 5, 16, 0.66);
  backdrop-filter: blur(18px) saturate(120%);
  transition: background 0.35s ease, height 0.35s ease;
}

.site-header.is-scrolled {
  height: 68px;
  background: rgba(5, 5, 16, 0.9);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
}

.brand-en {
  font: 600 17px/1 var(--font-display);
  letter-spacing: 0.18em;
}

.brand-slash {
  color: var(--text-muted);
}

.brand-cn {
  font-size: 17px;
  letter-spacing: 0.1em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 58px;
  height: 100%;
}

.site-nav a {
  position: relative;
  display: grid;
  place-items: center;
  height: 100%;
  color: rgba(230, 237, 243, 0.78);
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0.08em;
  transition: color 0.25s ease;
}

.site-nav a::after {
  position: absolute;
  bottom: -1px;
  left: 50%;
  width: 4px;
  height: 4px;
  content: "";
  opacity: 0;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 14px var(--cyan);
  transform: translateX(-50%);
  transition: opacity 0.25s ease, width 0.25s ease;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: #fff;
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
  width: 20px;
  opacity: 1;
  border-radius: 2px;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 12px;
  border: 0;
  background: transparent;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 1px;
  margin: 6px 0;
  background: var(--text);
  transition: transform 0.25s ease;
}

.hero {
  position: relative;
  isolation: isolate;
  min-height: max(720px, 100svh);
  overflow: hidden;
  border-bottom: 1px solid rgba(230, 237, 243, 0.08);
}

.starfield,
.hero-grid {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.starfield {
  z-index: -3;
  opacity: 0.92;
}

.hero-grid {
  z-index: -2;
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(96, 165, 250, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(96, 165, 250, 0.1) 1px, transparent 1px);
  background-position: center;
  background-size: 108px 108px;
  mask-image: linear-gradient(90deg, transparent, #000 48%, #000 82%, transparent);
}

.hero::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  background:
    linear-gradient(90deg, var(--void) 0%, rgba(5, 5, 16, 0.94) 31%, rgba(5, 5, 16, 0.24) 64%, rgba(5, 5, 16, 0.14) 100%),
    linear-gradient(180deg, transparent 65%, var(--void) 100%);
}

.hero-content {
  display: grid;
  grid-template-columns: 46% 54%;
  align-items: center;
  min-height: max(720px, 100svh);
  padding-top: 78px;
}

.hero-copy {
  position: relative;
  z-index: 2;
  padding: 52px 0 80px;
}

.micro-label,
.section-index,
.card-number,
.product-meta,
.product-domain,
.hero-footnote,
.visual-caption,
.site-footer {
  font-family: var(--font-display);
}

.micro-label {
  display: flex;
  gap: 18px;
  margin: 0 0 28px;
  color: rgba(56, 249, 215, 0.58);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
}

.micro-label span + span {
  padding-left: 18px;
  border-left: 1px solid rgba(56, 249, 215, 0.24);
}

.hero h1 {
  width: max-content;
  margin: 0;
  color: transparent;
  background: linear-gradient(105deg, #38f9d7 0%, #72d7fa 42%, #377df7 86%);
  background-clip: text;
  filter: drop-shadow(0 0 24px rgba(56, 249, 215, 0.12));
  font-size: clamp(88px, 8vw, 138px);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.09em;
}

.hero-role {
  margin: 46px 0 0;
  color: rgba(240, 245, 255, 0.97);
  font-size: clamp(34px, 3vw, 52px);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.hero-description {
  margin: 26px 0 0;
  color: var(--text-muted);
  font-size: 18px;
  line-height: 1.75;
  letter-spacing: 0.055em;
}

.hero-description span {
  display: block;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 42px;
}

.button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  min-width: 236px;
  height: 62px;
  padding: 0 28px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.08em;
  transition: border-color 0.3s ease, color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.button::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  background: linear-gradient(90deg, var(--cyan), var(--blue));
  transform: translateX(-102%);
  transition: transform 0.38s cubic-bezier(0.22, 1, 0.36, 1);
}

.button:hover {
  color: #020711;
  border-color: transparent;
  box-shadow: 0 16px 42px rgba(56, 249, 215, 0.15);
  transform: translateY(-3px);
}

.button:hover::before {
  transform: translateX(0);
}

.button-primary {
  color: #03101a;
  border-color: transparent;
  background: linear-gradient(100deg, var(--cyan), var(--blue));
  box-shadow: 0 12px 36px rgba(56, 249, 215, 0.12);
}

.button-primary::before {
  background: linear-gradient(100deg, var(--blue), var(--cyan));
  transform: translateX(0);
  opacity: 0;
}

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

.button-arrow {
  font: 400 24px/1 var(--font-display);
}

.hero-footnote {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 38px;
  color: rgba(139, 148, 158, 0.62);
  font-size: 9px;
  letter-spacing: 0.2em;
}

.pulse-dot {
  position: relative;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
}

.pulse-dot::after {
  position: absolute;
  inset: -5px;
  content: "";
  border: 1px solid rgba(56, 249, 215, 0.36);
  border-radius: inherit;
  animation: pulse 2.4s ease-out infinite;
}

.hero-visual {
  position: relative;
  width: 120%;
  margin-left: -10%;
  transform: translate3d(var(--visual-x, 0), var(--visual-y, 0), 0);
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.hero-visual::before {
  position: absolute;
  inset: 18% 10% 10% 18%;
  z-index: -1;
  content: "";
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 133, 214, 0.075), transparent 64%);
  filter: blur(20px);
}

.hero-visual svg {
  display: block;
  width: 100%;
  overflow: visible;
}

.rising-meteors {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0.28), #000 38%, #000 88%, transparent);
}

.rising-meteors i {
  position: absolute;
  bottom: -22%;
  left: var(--meteor-x);
  width: 1px;
  height: var(--meteor-size);
  opacity: 0;
  background: linear-gradient(180deg, rgba(215, 251, 255, 0.95), rgba(56, 249, 215, 0.26) 18%, transparent 100%);
  filter: drop-shadow(0 0 5px rgba(56, 249, 215, 0.65));
  transform: rotate(14deg);
  transform-origin: top center;
  animation: meteor-rise var(--meteor-duration) linear var(--meteor-delay) infinite;
}

.rising-meteors i::before {
  position: absolute;
  top: -2px;
  left: -2px;
  width: 5px;
  height: 5px;
  content: "";
  border-radius: 50%;
  background: #efffff;
  box-shadow: 0 0 14px rgba(96, 165, 250, 0.94);
}

.section > .page-shell {
  position: relative;
  z-index: 1;
}

.section-meteors {
  z-index: 0;
  opacity: 0.82;
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}

.section-meteors i {
  filter: drop-shadow(0 0 6px rgba(56, 249, 215, 0.72));
}

.celestial-system {
  position: relative;
  isolation: isolate;
  width: 100%;
  aspect-ratio: 1.2;
  overflow: visible;
}

.celestial-system::before {
  position: absolute;
  inset: 8% 0 6% 3%;
  z-index: -2;
  content: "";
  background:
    radial-gradient(circle at 26% 56%, rgba(225, 250, 255, 0.12), transparent 19%),
    radial-gradient(circle at 64% 39%, rgba(28, 119, 190, 0.13), transparent 18%);
  filter: blur(12px);
}

.system-grid {
  position: absolute;
  inset: 8% 2% 5% 1%;
  opacity: 0.34;
  background-image:
    linear-gradient(rgba(96, 165, 250, 0.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(96, 165, 250, 0.13) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(circle at 55% 48%, #000, transparent 72%);
}

.system-axis {
  position: absolute;
  z-index: -1;
  opacity: 0.34;
  background: repeating-linear-gradient(90deg, rgba(56, 249, 215, 0.42) 0 2px, transparent 2px 10px);
}

.axis-x {
  top: 52%;
  left: 0;
  width: 96%;
  height: 1px;
}

.axis-y {
  top: 6%;
  left: 49%;
  width: 1px;
  height: 88%;
  background: repeating-linear-gradient(180deg, rgba(96, 165, 250, 0.35) 0 2px, transparent 2px 10px);
}

.system-orbit {
  position: absolute;
  z-index: -1;
  border: 1px solid rgba(56, 249, 215, 0.2);
  border-radius: 50%;
  filter: drop-shadow(0 0 5px rgba(56, 249, 215, 0.08));
}

.system-orbit::after {
  position: absolute;
  inset: 8px;
  content: "";
  border: 1px dashed rgba(96, 165, 250, 0.16);
  border-radius: inherit;
}

.orbit-terra {
  top: 31%;
  left: 7%;
  width: 88%;
  height: 40%;
  transform: rotate(-12deg);
}

.orbit-luna {
  top: 24%;
  left: 52%;
  width: 39%;
  height: 27%;
  transform: rotate(28deg);
}

.celestial {
  position: absolute;
  z-index: 2;
}

.celestial-body {
  position: relative;
  display: block;
  border-radius: 50%;
}

.celestial-body img {
  position: absolute;
  top: 50%;
  left: 50%;
  display: block;
  width: 112%;
  height: 112%;
  object-fit: contain;
  transform: translate(-50%, -50%);
  user-select: none;
  -webkit-user-drag: none;
}

.celestial-label {
  position: absolute;
  display: flex;
  min-width: max-content;
  flex-direction: column;
  font-family: var(--font-display);
  letter-spacing: 0.16em;
}

.celestial-label b {
  color: rgba(230, 237, 243, 0.9);
  font-size: 12px;
  font-weight: 600;
}

.sol {
  top: 29%;
  left: 5%;
}

.sol .celestial-body {
  width: clamp(190px, 19vw, 276px);
  height: clamp(190px, 19vw, 276px);
  animation: sol-breathe 8s ease-in-out infinite alternate;
}

.sol .celestial-body img {
  width: 118%;
  height: 118%;
  filter:
    drop-shadow(0 0 11px rgba(255, 194, 52, 0.46))
    drop-shadow(0 0 34px rgba(255, 127, 22, 0.24));
}

.sol .celestial-body::before,
.sol .celestial-body::after {
  position: absolute;
  z-index: -1;
  content: "";
  border: 1px solid rgba(255, 185, 72, 0.18);
  border-radius: 50%;
}

.sol .celestial-body::before { inset: -18px; }
.sol .celestial-body::after { inset: -38px; border-style: dashed; opacity: 0.55; }
.sol .celestial-label { bottom: -49px; left: 18%; }

.terra {
  top: 21%;
  left: 60%;
}

.terra .celestial-body {
  width: clamp(118px, 11vw, 158px);
  height: clamp(118px, 11vw, 158px);
  animation: terra-float 7s ease-in-out infinite alternate;
}

.terra .celestial-body img {
  filter:
    drop-shadow(0 0 8px rgba(85, 190, 255, 0.42))
    drop-shadow(0 0 25px rgba(38, 112, 206, 0.22));
}

.terra .celestial-label { top: 28%; right: calc(100% + 18px); text-align: right; }

.luna {
  top: 63%;
  left: 79%;
}

.luna .celestial-body {
  width: clamp(56px, 5.8vw, 84px);
  height: clamp(56px, 5.8vw, 84px);
  animation: luna-float 5s ease-in-out infinite alternate;
}

.luna .celestial-body img {
  filter:
    drop-shadow(0 0 6px rgba(226, 237, 243, 0.22))
    drop-shadow(0 0 16px rgba(96, 165, 250, 0.1));
}

.luna .celestial-label { top: 18%; left: calc(100% + 15px); }

.orbit-coordinates {
  fill: none;
  stroke: rgba(96, 165, 250, 0.17);
  stroke-dasharray: 2 8;
  stroke-width: 0.7;
}

.planet {
  transform-origin: 600px 340px;
  animation: planet-breathe 12s ease-in-out infinite alternate;
}

.planet-texture {
  fill: none;
  stroke: rgba(96, 165, 250, 0.14);
  stroke-width: 0.65;
}

.planet-rim {
  stroke-width: 1.4;
  opacity: 0.58;
  filter: drop-shadow(0 0 5px rgba(96, 165, 250, 0.24));
}

.orbit-ellipses {
  stroke-width: 0.85;
  stroke-dasharray: 2 10 38 15;
  filter: drop-shadow(0 0 3px rgba(56, 249, 215, 0.24));
  opacity: 0.52;
  animation: orbit-flow 18s linear infinite;
}

.orbit-ellipses ellipse:nth-child(2) { opacity: 0.72; }
.orbit-ellipses ellipse:nth-child(3) { opacity: 0.52; }
.orbit-ellipses ellipse:nth-child(4) { opacity: 0.34; }
.orbit-ellipses ellipse:nth-child(5) { opacity: 0.2; }

.orbit-front {
  stroke-width: 1;
  stroke-dasharray: 3 9 54 16;
  opacity: 0.82;
  filter: drop-shadow(0 0 4px rgba(56, 249, 215, 0.34));
  animation: orbit-flow-front 14s linear infinite;
}

.orbit-front path:nth-child(2) { opacity: 0.72; }
.orbit-front path:nth-child(3) { opacity: 0.46; }
.orbit-front path:nth-child(4) { opacity: 0.24; }

.dragon-stream {
  stroke-width: 0.75;
  stroke-dasharray: 4 12 80 26;
  opacity: 0.2;
  animation: stream-flow 22s linear infinite;
}

.dragon-stream path:nth-child(2) { opacity: 0.58; }
.dragon-stream path:nth-child(3) { opacity: 0.3; }

.orbit-points {
  fill: var(--cyan);
  animation: points-flicker 4s ease-in-out infinite alternate;
}

.coordinate-labels {
  fill: rgba(139, 148, 158, 0.5);
  font: 500 11px/1 var(--font-display);
  letter-spacing: 0.16em;
}

.visual-caption {
  position: absolute;
  right: 13%;
  bottom: 8%;
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(139, 148, 158, 0.48);
  font-size: 8px;
  letter-spacing: 0.2em;
}

.visual-caption i {
  width: 24px;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}

.scroll-cue {
  position: absolute;
  bottom: 34px;
  left: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: rgba(139, 148, 158, 0.48);
  font: 500 8px/1 var(--font-display);
  letter-spacing: 0.22em;
  transform: translateX(-50%);
}

.scroll-cue i {
  position: relative;
  display: block;
  width: 1px;
  height: 34px;
  overflow: hidden;
  background: rgba(139, 148, 158, 0.16);
}

.scroll-cue i::after {
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  content: "";
  background: linear-gradient(transparent, var(--cyan));
  animation: scroll-line 2.2s ease-in-out infinite;
}

.section {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 100svh;
  padding: 104px 0 54px;
  overflow: hidden;
  border-bottom: 1px solid rgba(230, 237, 243, 0.08);
}

.practice-section {
  background:
    linear-gradient(180deg, rgba(9, 20, 34, 0.74), rgba(5, 5, 16, 0.92)),
    radial-gradient(circle at 16% 12%, rgba(56, 249, 215, 0.05), transparent 28%);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 430px);
  align-items: end;
  gap: 64px;
  margin-bottom: 60px;
}

.section-index {
  margin: 0 0 16px;
  color: rgba(56, 249, 215, 0.68);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.22em;
}

.section-heading h2,
.about-intro h2,
.contact-layout h2 {
  margin: 0;
  font-size: clamp(38px, 4.2vw, 64px);
  font-weight: 500;
  line-height: 1.18;
  letter-spacing: -0.045em;
}

.section-heading > p {
  max-width: 420px;
  margin: 0 0 4px auto;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.9;
  letter-spacing: 0.04em;
}

.products-section .product-summary {
  max-width: none;
  font-size: 16px;
  letter-spacing: 0.025em;
}

.practice-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
}

.practice-card {
  position: relative;
  min-height: 330px;
  padding: 38px;
  overflow: hidden;
  border: 1px solid rgba(96, 165, 250, 0.2);
  background: linear-gradient(145deg, rgba(13, 29, 47, 0.72), rgba(5, 10, 20, 0.46));
  transition: border-color 0.4s ease, background 0.4s ease, transform 0.4s ease, box-shadow 0.4s ease;
}

.practice-card::before,
.practice-card::after {
  position: absolute;
  content: "";
  pointer-events: none;
}

.practice-card::before {
  inset: 0;
  background: radial-gradient(circle at 10% 0%, rgba(56, 249, 215, 0.1), transparent 34%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.practice-card::after {
  right: -32px;
  bottom: -32px;
  width: 96px;
  height: 96px;
  border: 1px solid rgba(56, 249, 215, 0.08);
  transform: rotate(45deg);
}

.practice-card:hover {
  border-color: rgba(56, 249, 215, 0.44);
  background: linear-gradient(145deg, rgba(13, 35, 51, 0.86), rgba(5, 10, 20, 0.68));
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.26);
  transform: translateY(-8px);
}

.practice-card:hover::before {
  opacity: 1;
}

.card-icon {
  position: relative;
  width: 52px;
  height: 52px;
  margin-bottom: 38px;
  color: var(--cyan);
}

.cube-icon span {
  position: absolute;
  width: 30px;
  height: 30px;
  border: 1px solid currentColor;
  transform: rotate(30deg) skew(-5deg);
}

.cube-icon span:nth-child(1) { top: 4px; left: 9px; }
.cube-icon span:nth-child(2) { top: 14px; left: 2px; opacity: 0.42; }
.cube-icon span:nth-child(3) { top: 14px; left: 16px; opacity: 0.72; }

.radar-icon {
  border: 1px solid var(--blue);
  border-radius: 50%;
}

.radar-icon span:nth-child(1) {
  position: absolute;
  inset: 9px;
  border: 1px solid rgba(96, 165, 250, 0.6);
  border-radius: 50%;
}

.radar-icon span:nth-child(2) {
  position: absolute;
  top: 24px;
  left: 24px;
  width: 23px;
  height: 1px;
  background: var(--cyan);
  transform-origin: left;
  transform: rotate(-48deg);
}

.radar-icon span:nth-child(3) {
  position: absolute;
  top: 22px;
  left: 22px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
}

.layers-icon span {
  position: absolute;
  left: 6px;
  width: 40px;
  height: 22px;
  border: 1px solid var(--cyan);
  transform: rotate(30deg) skew(-30deg);
}

.layers-icon span:nth-child(1) { top: 2px; }
.layers-icon span:nth-child(2) { top: 12px; opacity: 0.64; }
.layers-icon span:nth-child(3) { top: 22px; opacity: 0.34; }

.card-number {
  margin: 0 0 10px;
  color: rgba(139, 148, 158, 0.48);
  font-size: 9px;
  letter-spacing: 0.18em;
}

.practice-card h3 {
  margin: 0;
  font-size: 23px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.practice-card > p:not(.card-number) {
  max-width: 360px;
  margin: 16px 0 0;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.85;
}

.card-link {
  position: absolute;
  bottom: 34px;
  left: 38px;
  color: rgba(230, 237, 243, 0.66);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.card-link b {
  display: inline-block;
  margin-left: 6px;
  color: var(--cyan);
  transition: transform 0.3s ease;
}

.practice-card:hover .card-link b {
  transform: translate(4px, -4px);
}

.about-section {
  overflow: hidden;
}

.about-section::before {
  position: absolute;
  top: -30%;
  right: -12%;
  width: 700px;
  height: 700px;
  content: "";
  border: 1px solid rgba(56, 249, 215, 0.08);
  border-radius: 50%;
  box-shadow: inset 0 0 0 80px rgba(96, 165, 250, 0.015), inset 0 0 0 160px rgba(56, 249, 215, 0.012);
}

.about-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 80px 110px;
}

.about-intro h2 {
  background: linear-gradient(110deg, var(--text), rgba(96, 165, 250, 0.82));
  background-clip: text;
  color: transparent;
}

.about-copy {
  max-width: 650px;
  padding-top: 28px;
}

.about-copy p {
  margin: 0 0 22px;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 2;
  letter-spacing: 0.03em;
}

.about-copy .about-lead {
  color: var(--text);
  font-size: 21px;
  font-weight: 400;
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 36px;
}

.about-tags span,
.product-tags span {
  padding: 9px 14px;
  color: rgba(230, 237, 243, 0.66);
  border: 1px solid rgba(56, 249, 215, 0.18);
  background: rgba(56, 249, 215, 0.035);
  font-size: 11px;
  letter-spacing: 0.06em;
}

.about-metrics {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.about-metrics div {
  display: flex;
  align-items: flex-end;
  gap: 18px;
  min-height: 154px;
  padding: 34px 44px;
  border-right: 1px solid var(--line);
}

.about-metrics div:last-child {
  border-right: 0;
}

.about-metrics strong {
  color: transparent;
  background: linear-gradient(130deg, var(--cyan), var(--blue));
  background-clip: text;
  font: 600 62px/0.9 var(--font-display);
}

.about-metrics span {
  padding-bottom: 4px;
  color: var(--text-muted);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.products-section {
  background: linear-gradient(180deg, rgba(5, 5, 16, 1), rgba(7, 16, 29, 0.86));
}

.watermark-product-section {
  background:
    radial-gradient(circle at 86% 16%, rgba(167, 139, 250, 0.055), transparent 28%),
    linear-gradient(180deg, rgba(7, 16, 29, 0.86), rgba(5, 5, 16, 1));
}

.product-page-heading h2 {
  font-size: clamp(36px, 3.5vw, 54px);
}

.featured-product {
  display: grid;
  grid-template-columns: 0.84fr 1.16fr;
  min-height: 540px;
  overflow: hidden;
  border: 1px solid rgba(96, 165, 250, 0.24);
  background: rgba(8, 18, 31, 0.76);
}

.featured-product + .featured-product {
  margin-top: 28px;
}

.product-copy {
  position: relative;
  z-index: 2;
  padding: 58px;
  border-right: 1px solid rgba(96, 165, 250, 0.18);
}

.product-meta {
  display: flex;
  justify-content: space-between;
  color: rgba(139, 148, 158, 0.52);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.18em;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: rgba(56, 249, 215, 0.7);
}

.status i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 9px var(--cyan);
}

.product-domain {
  margin: 96px 0 18px;
  color: rgba(96, 165, 250, 0.68);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.2em;
}

.product-copy h3 {
  margin: 0;
  color: transparent;
  background: linear-gradient(100deg, #fff, var(--blue));
  background-clip: text;
  font: 600 clamp(38px, 4vw, 60px)/1.15 var(--font-display);
  letter-spacing: -0.045em;
}

.product-copy > p:not(.product-domain) {
  max-width: 480px;
  margin: 22px 0 0;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.9;
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.product-action {
  position: absolute;
  bottom: 52px;
  left: 58px;
  color: rgba(230, 237, 243, 0.58);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.product-action b {
  margin-left: 10px;
  color: var(--cyan);
}

.tool-link {
  width: max-content;
  padding-bottom: 7px;
  border-bottom: 1px solid rgba(56, 249, 215, 0.28);
  transition: color 0.25s ease, border-color 0.25s ease;
}

.tool-link:hover {
  color: var(--text);
  border-color: var(--cyan);
}

.tool-link b {
  display: inline-block;
  transition: transform 0.25s ease;
}

.tool-link:hover b {
  transform: translateX(5px);
}

.product-simulation {
  position: relative;
  min-height: 540px;
  overflow: hidden;
  background:
    radial-gradient(circle at 54% 50%, rgba(56, 249, 215, 0.09), transparent 28%),
    radial-gradient(circle at 78% 16%, rgba(96, 165, 250, 0.12), transparent 34%),
    #06101d;
}

.watermark-product {
  background:
    radial-gradient(circle at 84% 18%, rgba(167, 139, 250, 0.06), transparent 30%),
    rgba(8, 18, 31, 0.76);
}

.watermark-simulation {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 170px;
  gap: 22px;
  min-height: 540px;
  padding: 58px 48px;
  overflow: hidden;
  background:
    linear-gradient(rgba(96, 165, 250, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(96, 165, 250, 0.06) 1px, transparent 1px),
    #06101d;
  background-size: 52px 52px;
}

.watermark-canvas-demo {
  position: relative;
  min-height: 380px;
  overflow: hidden;
  border: 1px solid rgba(96, 165, 250, 0.24);
  background: linear-gradient(160deg, #132c43, #07111f 60%);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.3);
}

.demo-sky {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 70% 22%, rgba(96, 165, 250, 0.42), transparent 28%),
    linear-gradient(180deg, rgba(17, 53, 79, 0.24), rgba(4, 9, 18, 0.8));
}

.demo-mountain {
  position: absolute;
  bottom: -18%;
  left: -15%;
  width: 130%;
  height: 68%;
  background: #081522;
  clip-path: polygon(0 100%, 0 70%, 14% 42%, 23% 61%, 41% 8%, 55% 52%, 67% 25%, 81% 65%, 92% 43%, 100% 71%, 100% 100%);
}

.mountain-back {
  bottom: 4%;
  background: rgba(22, 57, 78, 0.82);
  filter: blur(1px);
  transform: scale(1.08);
}

.mountain-front {
  background: linear-gradient(120deg, #091c2c, #030912);
}

.demo-watermarks {
  position: absolute;
  inset: -20%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-content: space-around;
  gap: 16px 34px;
  transform: rotate(-22deg);
}

.demo-watermarks span {
  color: rgba(230, 237, 243, 0.24);
  font: 600 11px/1 var(--font-display);
  letter-spacing: 0.18em;
  text-align: center;
}

.watermark-controls-demo {
  display: flex;
  flex-direction: column;
  align-self: center;
  padding: 24px 20px;
  border: 1px solid rgba(56, 249, 215, 0.18);
  background: rgba(5, 11, 20, 0.82);
}

.watermark-controls-demo span,
.watermark-controls-demo b {
  font: 600 7px/1 var(--font-display);
  letter-spacing: 0.16em;
}

.watermark-controls-demo span {
  margin-bottom: 28px;
  color: rgba(139, 148, 158, 0.52);
}

.watermark-controls-demo i {
  position: relative;
  width: 100%;
  height: 1px;
  margin: 14px 0;
  background: rgba(139, 148, 158, 0.22);
}

.watermark-controls-demo i::before {
  position: absolute;
  top: -1px;
  left: 0;
  width: var(--demo-width);
  height: 2px;
  content: "";
  background: linear-gradient(90deg, var(--cyan), var(--blue));
}

.watermark-controls-demo i::after {
  position: absolute;
  top: -4px;
  left: var(--demo-width);
  width: 8px;
  height: 8px;
  content: "";
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(56, 249, 215, 0.65);
}

.watermark-controls-demo b {
  margin-top: 30px;
  padding: 13px 8px;
  color: #041018;
  background: linear-gradient(90deg, var(--cyan), var(--blue));
  text-align: center;
}

.sim-grid {
  position: absolute;
  inset: 0;
  opacity: 0.34;
  background-image:
    linear-gradient(rgba(96, 165, 250, 0.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(96, 165, 250, 0.13) 1px, transparent 1px);
  background-size: 52px 52px;
  transform: perspective(700px) rotateX(58deg) scale(1.6) translateY(12%);
}

.lane {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 82%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--blue), transparent);
  box-shadow: 0 0 12px rgba(56, 249, 215, 0.42);
  transform-origin: center;
}

.lane::after {
  position: absolute;
  top: -2px;
  left: 22%;
  width: 5px;
  height: 5px;
  content: "";
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
  animation: lane-point 5s linear infinite;
}

.lane-a { transform: translate(-50%, -50%) rotate(0deg); }
.lane-b { transform: translate(-50%, -50%) rotate(60deg); }
.lane-c { transform: translate(-50%, -50%) rotate(-60deg); }

.sim-core {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  place-items: center;
  width: 160px;
  height: 160px;
  border: 1px solid rgba(56, 249, 215, 0.46);
  background: rgba(5, 13, 24, 0.84);
  box-shadow: 0 0 0 18px rgba(56, 249, 215, 0.025), 0 0 70px rgba(56, 249, 215, 0.1);
  transform: translate(-50%, -50%) rotate(45deg);
}

.sim-core::after {
  position: absolute;
  inset: 18px;
  content: "";
  border: 1px solid rgba(96, 165, 250, 0.22);
}

.sim-core span,
.sim-core small {
  position: absolute;
  z-index: 2;
  transform: rotate(-45deg);
}

.sim-core span {
  color: transparent;
  background: linear-gradient(100deg, var(--cyan), var(--blue));
  background-clip: text;
  font: 700 35px/1 var(--font-display);
  letter-spacing: 0.05em;
}

.sim-core small {
  margin-top: 68px;
  color: rgba(139, 148, 158, 0.56);
  font: 600 6px/1 var(--font-display);
  letter-spacing: 0.2em;
}

.sim-point {
  position: absolute;
  width: 8px;
  height: 8px;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(56, 249, 215, 0.45);
}

.sim-point::after {
  position: absolute;
  inset: -8px;
  content: "";
  border: 1px solid rgba(56, 249, 215, 0.12);
  border-radius: 50%;
}

.sim-point.p1 { top: 22%; left: 19%; }
.sim-point.p2 { right: 17%; bottom: 25%; }
.sim-point.p3 { right: 22%; top: 18%; border-color: var(--blue); }

.product-simulation > p {
  position: absolute;
  right: 30px;
  bottom: 22px;
  margin: 0;
  color: rgba(139, 148, 158, 0.34);
  font: 500 8px/1 var(--font-display);
  letter-spacing: 0.18em;
}

.product-horizon {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 24px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.product-horizon > div {
  position: relative;
  min-height: 150px;
  padding: 30px;
  border-right: 1px solid var(--line);
  transition: background 0.3s ease;
}

.product-horizon > div:last-child { border-right: 0; }
.product-horizon > div:hover { background: rgba(56, 249, 215, 0.025); }

.product-horizon span {
  color: rgba(56, 249, 215, 0.44);
  font: 500 10px/1 var(--font-display);
}

.product-horizon p {
  margin: 30px 0 5px;
  font-size: 18px;
  font-weight: 400;
}

.product-horizon small {
  color: var(--text-muted);
  font-size: 11px;
}

.products-section {
  background:
    radial-gradient(circle at 18% 100%, rgba(56, 249, 215, 0.05), transparent 34%),
    radial-gradient(circle at 88% 0%, rgba(96, 165, 250, 0.08), transparent 30%),
    linear-gradient(180deg, rgba(5, 5, 16, 1), rgba(7, 16, 29, 0.92));
}

.product-showcase-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.product-showcase-card {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 410px;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid rgba(96, 165, 250, 0.2);
  background:
    linear-gradient(145deg, rgba(15, 31, 49, 0.76), rgba(5, 11, 21, 0.7)),
    rgba(7, 16, 29, 0.86);
  transition: border-color 0.38s ease, transform 0.38s ease, box-shadow 0.38s ease;
}

.product-showcase-card::after {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  background: linear-gradient(120deg, rgba(56, 249, 215, 0.055), transparent 34%, rgba(96, 165, 250, 0.035));
  opacity: 0;
  transition: opacity 0.38s ease;
}

.product-showcase-card:hover {
  z-index: 2;
  border-color: rgba(56, 249, 215, 0.42);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.27);
  transform: translateY(-6px);
}

.product-showcase-card:hover::after { opacity: 1; }

.product-card-head,
.product-card-foot {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  color: rgba(139, 148, 158, 0.48);
  font: 600 7px/1 var(--font-display);
  letter-spacing: 0.16em;
}

.product-card-head { border-bottom: 1px solid rgba(96, 165, 250, 0.14); }
.product-card-head .status {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
}

.product-card-head .status i {
  width: 6px;
  height: 6px;
}
.status.is-muted { color: rgba(167, 139, 250, 0.66); }
.status.is-muted i { background: var(--violet); box-shadow: 0 0 9px var(--violet); }

.product-card-visual {
  position: relative;
  min-height: 150px;
  overflow: hidden;
  border-bottom: 1px solid rgba(96, 165, 250, 0.14);
  background: #06101d;
}

.dlm-visual {
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 50% 52%, rgba(56, 249, 215, 0.11), transparent 25%),
    #06101d;
}

.mini-grid {
  position: absolute;
  inset: 0;
  opacity: 0.38;
  background-image:
    linear-gradient(rgba(96, 165, 250, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(96, 165, 250, 0.1) 1px, transparent 1px);
  background-size: 32px 32px;
}

.mini-lane {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 86%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--blue), transparent);
  box-shadow: 0 0 8px rgba(56, 249, 215, 0.36);
}

.mini-lane::after {
  position: absolute;
  top: -2px;
  left: 14%;
  width: 5px;
  height: 5px;
  content: "";
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 9px var(--cyan);
  animation: mini-lane-flow 4.8s linear infinite;
}

.lane-one { transform: translate(-50%, -50%) rotate(0deg); }
.lane-two { transform: translate(-50%, -50%) rotate(60deg); }
.lane-three { transform: translate(-50%, -50%) rotate(-60deg); }

.mini-core {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 74px;
  height: 74px;
  border: 1px solid rgba(56, 249, 215, 0.46);
  background: rgba(5, 13, 24, 0.88);
  box-shadow: 0 0 0 10px rgba(56, 249, 215, 0.025), 0 0 32px rgba(56, 249, 215, 0.11);
  transform: rotate(45deg);
}

.mini-core span,
.mini-core small { position: absolute; transform: rotate(-45deg); }
.mini-core span { color: var(--cyan); font: 700 18px/1 var(--font-display); }
.mini-core small { margin-top: 34px; color: var(--text-muted); font: 600 5px/1 var(--font-display); letter-spacing: 0.14em; }

.watermark-card-visual {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 34px;
  gap: 12px;
  padding: 18px;
  background:
    linear-gradient(rgba(96, 165, 250, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(96, 165, 250, 0.05) 1px, transparent 1px),
    #06101d;
  background-size: 28px 28px;
}

.mini-landscape {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(96, 165, 250, 0.22);
  background: linear-gradient(160deg, #17415b, #07111f 64%);
}

.mini-sun {
  position: absolute;
  top: 20%;
  right: 18%;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(96, 165, 250, 0.5);
  box-shadow: 0 0 32px rgba(96, 165, 250, 0.56);
}

.mini-mountain {
  position: absolute;
  right: -12%;
  bottom: -8%;
  left: -12%;
  height: 66%;
  background: linear-gradient(120deg, #0b2537, #030912);
  clip-path: polygon(0 100%, 0 68%, 18% 33%, 29% 58%, 48% 10%, 66% 62%, 78% 32%, 100% 72%, 100% 100%);
}

.mini-watermark-grid {
  position: absolute;
  inset: -22%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-content: space-around;
  gap: 12px;
  transform: rotate(-20deg);
}

.mini-watermark-grid span {
  color: rgba(230, 237, 243, 0.3);
  font: 600 6px/1 var(--font-display);
  letter-spacing: 0.1em;
}

.mini-slider {
  position: relative;
  align-self: center;
  height: 70%;
  border: 1px solid rgba(56, 249, 215, 0.15);
  background: rgba(4, 10, 18, 0.72);
}

.mini-slider i {
  position: absolute;
  top: 15%;
  bottom: 15%;
  left: 50%;
  width: 1px;
  background: linear-gradient(var(--cyan) 0 58%, rgba(139, 148, 158, 0.2) 58%);
}

.mini-slider b {
  position: absolute;
  top: 57%;
  left: 50%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 9px var(--cyan);
  transform: translate(-43%, -50%);
}

.redactor-card-visual {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 58px;
  gap: 10px;
  padding: 16px;
  background:
    linear-gradient(rgba(217, 255, 87, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(217, 255, 87, 0.045) 1px, transparent 1px),
    #07110f;
  background-size: 24px 24px;
}

.mini-document-sheet {
  position: relative;
  min-width: 0;
  overflow: hidden;
  padding: 15px 14px;
  border: 1px solid rgba(217, 255, 87, 0.26);
  background: linear-gradient(145deg, rgba(232, 238, 233, 0.92), rgba(181, 197, 190, 0.76));
  box-shadow: inset 0 0 24px rgba(7, 17, 15, 0.12);
}

.mini-document-sheet::after {
  position: absolute;
  inset: -30%;
  content: "SANITIZED   SANITIZED";
  color: rgba(255, 95, 61, 0.22);
  font: 700 6px/4 var(--font-display);
  letter-spacing: 0.12em;
  transform: rotate(-22deg);
}

.mini-document-sheet > small {
  position: relative;
  z-index: 1;
  display: block;
  margin-bottom: 13px;
  color: rgba(7, 17, 15, 0.58);
  font: 700 6px/1 var(--font-display);
  letter-spacing: 0.13em;
}

.mini-document-sheet > i {
  position: relative;
  z-index: 1;
  display: block;
  width: 72%;
  height: 2px;
  margin-top: 9px;
  background: rgba(7, 17, 15, 0.18);
}

.mini-document-sheet > i:nth-of-type(2) { width: 88%; }
.mini-document-sheet > i:nth-of-type(3) { width: 58%; }

.mini-vin-zone {
  position: absolute;
  right: 10px;
  bottom: 20px;
  left: 10px;
  z-index: 2;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  align-items: center;
  height: 27px;
  border: 1px solid #ff5f3d;
  background: #fffdf2;
}

.mini-vin-zone b {
  display: grid;
  align-self: stretch;
  place-items: center;
  color: #fff;
  background: #ff5f3d;
  font: 700 6px/1 var(--font-display);
}

.mini-vin-zone span {
  overflow: hidden;
  padding-left: 8px;
  color: #18201d;
  font: 700 8px/1 var(--font-display);
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.mini-vin-zone em,
.mini-vin-zone em::before,
.mini-vin-zone em::after {
  position: absolute;
  width: 5px;
  height: 5px;
  content: "";
  background: #d9ff57;
  box-shadow: 0 0 0 1px #07110f;
}

.mini-vin-zone em { top: -3px; right: -3px; }
.mini-vin-zone em::before { right: calc(100% + 181px); bottom: 0; }
.mini-vin-zone em::after { top: 25px; right: 0; }

.mini-document-sheet > strong {
  position: absolute;
  top: 11px;
  right: 10px;
  z-index: 2;
  color: rgba(255, 95, 61, 0.72);
  font-size: 7px;
  font-weight: 700;
  transform: rotate(-7deg);
}

.mini-coordinate-panel {
  display: grid;
  grid-template-rows: repeat(4, 1fr);
  border: 1px solid rgba(217, 255, 87, 0.16);
  background: rgba(4, 10, 8, 0.76);
}

.mini-coordinate-panel span {
  display: grid;
  grid-template-columns: 12px 1fr;
  align-items: center;
  padding: 0 6px;
  color: rgba(217, 255, 87, 0.66);
  border-bottom: 1px solid rgba(217, 255, 87, 0.1);
  font: 600 6px/1 var(--font-display);
}

.mini-coordinate-panel span:last-child { border-bottom: 0; }
.mini-coordinate-panel b { color: rgba(230, 237, 243, 0.62); font: 500 7px/1 var(--font-display); }

.song-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  background:
    radial-gradient(circle at 36% 52%, rgba(167, 139, 250, 0.13), transparent 25%),
    linear-gradient(145deg, #0e1428, #050914);
}

.song-disc {
  position: relative;
  display: grid;
  place-items: center;
  width: 98px;
  height: 98px;
  border: 1px solid rgba(167, 139, 250, 0.32);
  border-radius: 50%;
  background: repeating-radial-gradient(circle, #111b31 0 3px, #080d1c 4px 7px);
  box-shadow: 0 0 40px rgba(167, 139, 250, 0.1);
  animation: disc-spin 18s linear infinite;
}

.song-disc::before {
  position: absolute;
  inset: 28px;
  content: "";
  border-radius: 50%;
  background: linear-gradient(145deg, var(--violet), #4a6eb5);
}

.song-disc i {
  position: absolute;
  z-index: 2;
  width: 7px;
  height: 7px;
  border: 2px solid #08101d;
  border-radius: 50%;
  background: #d9e5ee;
}

.song-disc b {
  position: absolute;
  z-index: 2;
  margin-top: 37px;
  color: rgba(230, 237, 243, 0.58);
  font-size: 7px;
  font-weight: 400;
  letter-spacing: 0.2em;
}

.soundwave {
  display: flex;
  align-items: center;
  gap: 4px;
  width: 38%;
  height: 72px;
}

.soundwave i {
  width: 2px;
  height: var(--h);
  background: linear-gradient(var(--violet), var(--blue));
  opacity: 0.68;
  animation: sound-pulse 1.6s ease-in-out infinite alternate;
}

.soundwave i:nth-child(3n + 1) { animation-delay: -0.9s; }
.soundwave i:nth-child(3n + 2) { animation-delay: -0.4s; }

.product-card-copy {
  position: relative;
  z-index: 2;
  min-height: 147px;
  padding: 21px 22px 16px;
}

.product-card-copy p {
  margin: 0 0 12px;
  color: rgba(96, 165, 250, 0.66);
  font: 600 7px/1 var(--font-display);
  letter-spacing: 0.18em;
}

.product-card-copy h3 {
  margin: 0;
  color: var(--text);
  font: 600 clamp(22px, 2vw, 30px)/1.15 var(--font-display);
  letter-spacing: -0.04em;
}

.product-song .product-card-copy h3 {
  font-family: var(--font-cn);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.product-redactor .product-card-copy p { color: rgba(217, 255, 87, 0.7); }
.product-redactor .product-card-copy h3 { font-family: var(--font-cn); font-weight: 500; letter-spacing: -0.02em; }

.product-card-copy > span {
  display: block;
  margin-top: 12px;
  color: var(--text-muted);
  font-size: 11px;
  line-height: 1.7;
}

.product-card-foot {
  min-height: 58px;
  margin-top: auto;
  padding: 17px 20px;
  border-top: 1px solid rgba(96, 165, 250, 0.18);
  background: rgba(5, 13, 24, 0.32);
  font-size: 11px;
  line-height: 1.3;
  letter-spacing: 0.05em;
}

.product-card-foot small {
  min-width: 0;
  overflow: hidden;
  color: rgba(190, 201, 211, 0.72);
  font-size: 11px;
  font-weight: 400;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.product-card-foot > span,
.product-card-foot > a {
  flex: 0 0 auto;
  color: rgba(56, 249, 215, 0.72);
  font-size: 12px;
  font-weight: 600;
  transition: color 0.25s ease, transform 0.25s ease;
}

.product-card-foot > a:hover { color: var(--text); transform: translateX(3px); }
.product-song .product-card-foot > span { color: rgba(167, 139, 250, 0.62); }

.contact-section {
  min-height: max(620px, 100svh);
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 100%, rgba(56, 249, 215, 0.06), transparent 34%),
    radial-gradient(circle at 84% 0%, rgba(96, 165, 250, 0.09), transparent 30%);
}

.contact-orbit {
  position: absolute;
  right: -180px;
  bottom: -420px;
  width: 850px;
  height: 850px;
  border: 1px solid rgba(56, 249, 215, 0.12);
  border-radius: 50%;
  box-shadow:
    0 0 0 70px rgba(56, 249, 215, 0.012),
    0 0 0 140px rgba(96, 165, 250, 0.012),
    inset 30px 30px 80px rgba(96, 165, 250, 0.05);
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: 110px;
}

.contact-copy {
  max-width: 590px;
  padding-top: 45px;
}

.contact-copy > p {
  margin: 0;
  color: var(--text-muted);
  font-size: 16px;
  line-height: 2;
}

.contact-options {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.contact-card {
  border: 1px solid rgba(56, 249, 215, 0.16);
  background:
    linear-gradient(135deg, rgba(56, 249, 215, 0.055), transparent 46%),
    rgba(8, 15, 27, 0.62);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.025);
}

.qr-contact {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  align-items: center;
  gap: 22px;
  padding: 14px;
}

.qr-frame {
  width: 160px;
  padding: 8px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
  line-height: 0;
}

.qr-frame img {
  display: block;
  width: 100%;
  height: auto;
}

.contact-option-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
}

.contact-option-copy span,
.email-contact > span {
  color: var(--cyan);
  font: 500 10px/1 var(--font-display);
  letter-spacing: 0.18em;
}

.contact-option-copy strong,
.email-contact strong {
  margin-top: 14px;
  color: var(--text);
  font-size: 17px;
  font-weight: 500;
}

.contact-option-copy small,
.email-contact small {
  margin-top: 9px;
  color: var(--text-muted);
  font-size: 11px;
  line-height: 1.7;
}

.email-contact {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 18px 20px;
  transition: border-color 0.3s ease, background-color 0.3s ease, transform 0.3s ease;
}

.email-contact::after {
  position: absolute;
  top: 18px;
  right: 20px;
  color: rgba(96, 165, 250, 0.56);
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 0.12em;
  content: "DIRECT CHANNEL";
}

.email-contact strong {
  overflow-wrap: anywhere;
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 0.04em;
}

.email-contact b {
  display: inline-block;
  margin-left: 5px;
  color: var(--blue);
  font-weight: 400;
  transition: transform 0.3s ease;
}

.email-contact:hover,
.email-contact:focus-visible {
  border-color: rgba(56, 249, 215, 0.48);
  background-color: rgba(56, 249, 215, 0.035);
  transform: translateY(-2px);
}

.email-contact:hover b,
.email-contact:focus-visible b {
  transform: translate(3px, -3px);
}

.text-link {
  display: block;
  width: max-content;
  margin-top: 60px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(56, 249, 215, 0.35);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.text-link span {
  display: inline-block;
  margin-left: 10px;
  color: var(--cyan);
  transition: transform 0.3s ease;
}

.text-link:hover span {
  transform: translateY(-4px);
}

.site-footer {
  border-top: 1px solid rgba(230, 237, 243, 0.08);
  color: rgba(139, 148, 158, 0.46);
  font-size: 8px;
  font-weight: 500;
  letter-spacing: 0.18em;
}

.site-footer .page-shell {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 82px;
}

.footer-signal {
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-left: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1), transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.practice-grid [data-reveal]:nth-child(2) { transition-delay: 0.1s; }
.practice-grid [data-reveal]:nth-child(3) { transition-delay: 0.2s; }
.product-showcase-grid [data-reveal]:nth-child(2) { transition-delay: 0.1s; }
.product-showcase-grid [data-reveal]:nth-child(3) { transition-delay: 0.2s; }
.product-showcase-grid [data-reveal]:nth-child(4) { transition-delay: 0.3s; }

@keyframes pulse {
  0% { opacity: 0.7; transform: scale(0.5); }
  80%, 100% { opacity: 0; transform: scale(1.4); }
}

@keyframes scroll-line {
  0% { transform: translateY(0); }
  70%, 100% { transform: translateY(200%); }
}

@keyframes planet-breathe {
  from { transform: translateY(0) scale(0.997); opacity: 0.94; }
  to { transform: translateY(-3px) scale(1.004); opacity: 1; }
}

@keyframes meteor-rise {
  0% { opacity: 0; transform: translate3d(0, 12vh, 0) rotate(14deg); }
  10% { opacity: 0.58; }
  72% { opacity: 0.42; }
  100% { opacity: 0; transform: translate3d(14vw, -128vh, 0) rotate(14deg); }
}

@keyframes sol-breathe {
  from { filter: brightness(0.92); transform: scale(0.985); }
  to { filter: brightness(1.08); transform: scale(1.012); }
}

@keyframes terra-float {
  from { transform: translate3d(0, 3px, 0) rotate(-1deg); }
  to { transform: translate3d(0, -5px, 0) rotate(1.5deg); }
}

@keyframes luna-float {
  from { transform: translate3d(-2px, 2px, 0); }
  to { transform: translate3d(5px, -6px, 0); }
}

@keyframes mini-lane-flow {
  from { left: 8%; opacity: 0; }
  14%, 82% { opacity: 1; }
  to { left: 88%; opacity: 0; }
}

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

@keyframes sound-pulse {
  from { opacity: 0.35; transform: scaleY(0.55); }
  to { opacity: 0.9; transform: scaleY(1); }
}

@keyframes orbit-flow {
  to { stroke-dashoffset: -180; }
}

@keyframes orbit-flow-front {
  to { stroke-dashoffset: 210; }
}

@keyframes stream-flow {
  to { stroke-dashoffset: -220; }
}

@keyframes points-flicker {
  0%, 30% { opacity: 0.4; }
  60%, 100% { opacity: 1; }
}

@keyframes lane-point {
  from { left: 8%; opacity: 0; }
  10%, 80% { opacity: 1; }
  to { left: 88%; opacity: 0; }
}

@media (min-width: 821px) {
  .snap-page .section-heading {
    margin-bottom: 30px;
  }

  .snap-page .section-heading h2 {
    font-size: clamp(34px, 3.15vw, 50px);
  }

  .practice-card {
    min-height: 270px;
    padding: 28px 30px;
  }

  .practice-card .card-icon {
    margin-bottom: 24px;
  }

  .practice-card .card-link {
    bottom: 25px;
    left: 30px;
  }

  .about-layout {
    gap: 42px 90px;
  }

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

  .about-copy p {
    margin-bottom: 14px;
    line-height: 1.82;
  }

  .about-tags {
    margin-top: 24px;
  }

  .about-metrics div {
    min-height: 112px;
    padding: 26px 38px;
  }

  .about-metrics strong {
    font-size: 52px;
  }

  .product-page {
    padding-top: 90px;
    padding-bottom: 30px;
  }

  .product-page .section-heading {
    margin-bottom: 22px;
  }

  .products-section .product-summary {
    white-space: nowrap;
  }

  .product-showcase-card {
    min-height: 390px;
  }

  .product-card-visual {
    min-height: 138px;
  }

  .product-card-copy {
    min-height: 140px;
  }

  .product-page .featured-product {
    min-height: 390px;
  }

  .product-page .product-copy {
    padding: 34px 48px;
  }

  .product-page .product-domain {
    margin: 44px 0 12px;
  }

  .product-page .product-copy h3 {
    font-size: clamp(38px, 3.4vw, 52px);
  }

  .product-page .product-copy > p:not(.product-domain) {
    margin-top: 14px;
    line-height: 1.72;
  }

  .product-page .product-tags {
    margin-top: 18px;
  }

  .product-page .product-action {
    bottom: 28px;
    left: 48px;
  }

  .product-page .product-simulation,
  .product-page .watermark-simulation {
    min-height: 390px;
  }

  .product-page .watermark-simulation {
    padding: 34px 42px;
  }

  .product-page .watermark-canvas-demo {
    min-height: 300px;
  }

  .product-horizon {
    margin-top: 14px;
  }

  .product-horizon > div {
    min-height: 84px;
    padding: 14px 22px;
  }

  .product-horizon p {
    margin: 10px 0 2px;
    font-size: 15px;
  }

  .watermark-product-section .section-heading {
    margin-bottom: 16px;
  }

  .watermark-product-section .section-heading h2 {
    font-size: clamp(30px, 2.7vw, 42px);
    line-height: 1.08;
  }

  .watermark-product-section .featured-product,
  .watermark-product-section .watermark-simulation {
    min-height: 330px;
  }

  .watermark-product-section .product-copy {
    padding-top: 26px;
    padding-bottom: 26px;
  }

  .watermark-product-section .product-domain {
    margin-top: 30px;
  }

  .watermark-product-section .watermark-simulation {
    padding-top: 28px;
    padding-bottom: 28px;
  }

  .watermark-product-section .watermark-canvas-demo {
    min-height: 250px;
  }

  .watermark-product-section .product-horizon {
    margin-top: 10px;
  }

  .watermark-product-section .product-horizon > div {
    min-height: 66px;
    padding: 9px 18px;
  }

  .watermark-product-section .product-horizon p {
    margin: 6px 0 1px;
    font-size: 13px;
  }
}

@media (max-width: 1120px) {
  :root {
    --shell: min(100% - 56px, 980px);
  }

  .site-header { padding: 0 28px; }
  .site-nav { gap: 34px; }
  .page-pagination { display: none; }

  .hero,
  .hero-content { min-height: max(720px, 100svh); }
  .hero-content { grid-template-columns: 52% 48%; }
  .hero h1 { font-size: clamp(84px, 11vw, 116px); }
  .hero-role { font-size: clamp(30px, 4vw, 40px); }
  .hero-visual { width: 142%; margin-left: -24%; }

  .product-showcase-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
  .product-card-head,
  .product-card-foot { padding-right: 14px; padding-left: 14px; }
  .product-card-copy { padding-right: 17px; padding-left: 17px; }
  .product-card-copy > span { font-size: 10px; }
  .product-card-foot small { max-width: 48%; }

  .practice-card { padding: 30px; }
  .card-link { left: 30px; }
  .about-layout { gap: 70px; }
  .product-copy { padding: 44px; }
  .product-action { left: 44px; }
}

@media (max-width: 820px) {
  :root {
    --shell: calc(100vw - 40px);
  }

  html {
    scroll-snap-type: none;
  }

  .snap-page {
    min-height: 0;
    scroll-snap-align: none;
    scroll-snap-stop: normal;
  }

  .js .snap-page > .page-shell,
  .js .snap-page.is-page-active > .page-shell {
    opacity: 1;
    filter: none;
    transform: none;
  }

  .page-pagination {
    display: none;
  }

  .site-header {
    height: 66px;
    padding: 0 20px;
  }

  .brand-en { font-size: 14px; }
  .brand-cn { font-size: 15px; }
  .menu-toggle { display: block; }

  .site-nav {
    position: fixed;
    inset: 66px 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    height: 0;
    overflow: hidden;
    border-bottom: 1px solid rgba(230, 237, 243, 0.1);
    background: rgba(5, 5, 16, 0.96);
    opacity: 0;
    transition: height 0.3s ease, opacity 0.3s ease;
  }

  .site-nav.is-open {
    height: 70px;
    opacity: 1;
  }

  .site-nav a {
    height: 70px;
    font-size: 13px;
  }

  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3px) rotate(-45deg); }

  .hero {
    min-height: 920px;
  }

  .hero-content {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    min-height: 920px;
    padding-top: 118px;
  }

  .hero-copy {
    width: 100%;
    padding: 34px 0 0;
  }

  .hero h1 { font-size: clamp(78px, 24vw, 112px); }
  .hero-role { margin-top: 30px; font-size: clamp(28px, 8vw, 38px); }
  .hero-description {
    margin-top: 18px;
    font-size: 15px;
    letter-spacing: 0.035em;
  }
  .hero-actions { gap: 12px; margin-top: 32px; }
  .button { min-width: 0; width: calc(50% - 6px); height: 56px; padding: 0 17px; font-size: 13px; }
  .hero-footnote { margin-top: 24px; }

  .hero-visual {
    position: absolute;
    right: -30%;
    bottom: 16px;
    width: 112%;
    margin: 0;
    opacity: 0.74;
  }

  .system-code,
  .system-signal { display: none; }
  .celestial-label small { display: none; }
  .celestial-label b { font-size: 9px; }
  .rising-meteors { opacity: 0.68; }

  .hero::before {
    background: linear-gradient(180deg, var(--void) 0%, rgba(5, 5, 16, 0.62) 56%, rgba(5, 5, 16, 0.18) 100%);
  }

  .scroll-cue { display: none; }
  .section { min-height: 0; padding: 92px 0; }
  .section-heading { display: block; margin-bottom: 42px; }
  .section-heading > p { margin: 22px 0 0; }
  .practice-grid { grid-template-columns: 1fr; }
  .practice-card { min-height: 300px; }

  .about-layout,
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .about-copy { padding-top: 0; }
  .about-metrics { grid-template-columns: 1fr; }
  .about-metrics div { min-height: 120px; border-right: 0; border-bottom: 1px solid var(--line); }
  .about-metrics div:last-child { border-bottom: 0; }

  .featured-product { grid-template-columns: 1fr; }
  .product-showcase-grid { grid-template-columns: 1fr; gap: 18px; }
  .product-showcase-card { min-height: 450px; }
  .product-card-visual { min-height: 185px; }
  .product-card-copy { min-height: 145px; }
  .product-card-copy h3 { font-size: 30px; }
  .product-card-copy > span { font-size: 12px; }
  .product-card-foot small { max-width: none; }
  .product-copy { min-height: 520px; border-right: 0; border-bottom: 1px solid var(--line); }
  .product-simulation { min-height: 430px; }
  .watermark-simulation { min-height: 430px; }
  .product-horizon { grid-template-columns: repeat(2, 1fr); }
  .product-horizon > div:nth-child(2) { border-right: 0; }
  .product-horizon > div:nth-child(-n + 2) { border-bottom: 1px solid var(--line); }

  .contact-copy { padding-top: 0; }
  .contact-section { min-height: auto; }
  .site-footer .page-shell { flex-direction: column; justify-content: center; gap: 10px; text-align: center; }
}

@media (max-width: 520px) {
  .micro-label span:last-child { display: none; }
  .hero-actions { display: grid; }
  .button { width: 100%; }
  .hero-visual { right: -4%; bottom: 4px; width: 105%; }
  .section-heading h2,
  .about-intro h2,
  .contact-layout h2 { font-size: 38px; }
  .practice-card { min-height: 320px; }
  .product-copy { min-height: 570px; padding: 32px 26px; }
  .product-domain { margin-top: 72px; }
  .product-action { left: 26px; bottom: 34px; }
  .product-simulation { min-height: 360px; }
  .watermark-simulation {
    grid-template-columns: 1fr;
    min-height: 520px;
    padding: 30px 24px;
  }
  .watermark-canvas-demo { min-height: 320px; }
  .watermark-controls-demo { display: none; }
  .sim-core { width: 122px; height: 122px; }
  .product-horizon > div { min-height: 130px; padding: 24px 20px; }
  .product-showcase-card { min-height: 430px; }
  .product-card-visual { min-height: 170px; }
  .product-card-head,
  .product-card-foot { padding: 15px; }
  .product-card-copy { min-height: 146px; padding: 20px 18px 16px; }
  .product-card-copy h3 { font-size: 27px; }
  .product-card-foot small { max-width: 48%; }
  .song-visual { gap: 20px; }
  .song-disc { width: 88px; height: 88px; }
  .about-metrics div { padding: 28px; }
  .about-metrics strong { font-size: 52px; }
  .qr-contact {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 16px;
  }
  .qr-frame { width: 132px; padding: 6px; }
  .email-contact::after { display: none; }
}

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