:root {
  color-scheme: dark;
  --bg: #07080c;
  --panel: rgba(15, 18, 27, .74);
  --text: #f5f7fb;
  --muted: #9298aa;
  --line: rgba(255, 255, 255, .13);
  --cyan: #5ef2ff;
  --violet: #8b7cff;
  --max: 1180px;
  --cursor-x: -500px;
  --cursor-y: -500px;
  --page-progress: 0;
}

* { box-sizing: border-box; }

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  border: 1px solid var(--cyan);
  border-radius: 8px;
  background: #050a12;
  color: var(--text);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transform: translateY(-160%);
  transition: transform .18s;
}

.skip-link:focus { transform: translateY(0); }
main:focus { outline: none; }

html { min-width: 320px; }

body {
  margin: 0;
  min-width: 320px;
  min-height: 100svh;
  position: relative;
  isolation: isolate;
  overflow-x: hidden;
  color: var(--text);
  background:
    radial-gradient(circle at 16% 18%, rgba(94, 242, 255, .13), transparent 27rem),
    radial-gradient(circle at 86% 76%, rgba(139, 124, 255, .16), transparent 30rem),
    var(--bg);
  font: 400 1rem/1.6 "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: -54px;
  z-index: 0;
  pointer-events: none;
  opacity: .34;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(to bottom, #000 20%, transparent 92%);
  animation: grid-drift 18s linear infinite;
  will-change: transform;
  contain: paint;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    repeating-linear-gradient(to bottom, transparent 0, transparent 3px, rgba(255,255,255,.012) 4px),
    radial-gradient(circle at center, transparent 36%, rgba(0,0,0,.34) 100%);
}

.scroll-progress {
  position: fixed;
  inset: 0 0 auto;
  z-index: 30;
  height: 2px;
  pointer-events: none;
  background: rgba(255,255,255,.025);
}

.scroll-progress span {
  width: 100%;
  height: 100%;
  display: block;
  transform: scaleX(var(--page-progress));
  transform-origin: left center;
  background: linear-gradient(90deg, var(--cyan), #d9fdff 52%, var(--violet));
  box-shadow: 0 0 14px rgba(94,242,255,.72);
  will-change: transform;
}

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

.orb {
  position: absolute;
  width: 34rem;
  aspect-ratio: 1;
  border-radius: 50%;
  opacity: .22;
  transform: translateZ(0);
  will-change: transform;
}

.orb-one {
  top: -15rem;
  left: -12rem;
  background: radial-gradient(circle, rgba(94,242,255,.72) 0%, rgba(94,242,255,.22) 38%, transparent 72%);
  animation: orb-one 14s ease-in-out infinite alternate;
}

.orb-two {
  right: -14rem;
  bottom: -18rem;
  background: radial-gradient(circle, rgba(139,124,255,.72) 0%, rgba(139,124,255,.22) 38%, transparent 72%);
  animation: orb-two 17s ease-in-out infinite alternate;
}

.scan-beam {
  position: absolute;
  top: -20%;
  left: 0;
  width: 100%;
  height: 16%;
  opacity: .25;
  background: linear-gradient(to bottom, transparent, rgba(94, 242, 255, .075), transparent);
  animation: scan-page 8s linear infinite;
}

.cursor-glow {
  position: fixed;
  left: 0;
  top: 0;
  width: 20rem;
  aspect-ratio: 1;
  border-radius: 50%;
  opacity: 0;
  transform: translate3d(calc(var(--cursor-x) - 50%), calc(var(--cursor-y) - 50%), 0);
  background: radial-gradient(circle, rgba(94, 242, 255, .105), rgba(139, 124, 255, .035) 42%, transparent 68%);
  transition: opacity .25s ease;
  will-change: transform, opacity;
  contain: layout paint style;
}

.pointer-fx .cursor-glow { opacity: 1; }

.click-fx-layer {
  position: fixed;
  inset: 0;
  z-index: 39;
  overflow: hidden;
  pointer-events: none;
  contain: layout paint style;
}

.click-ripple,
.click-particle {
  --fx-color: #5ef2ff;
  position: absolute;
  left: 0;
  top: 0;
  pointer-events: none;
  will-change: transform, opacity;
}

.click-ripple {
  width: 14px;
  height: 14px;
  margin: -7px 0 0 -7px;
  color: var(--fx-color);
  border: 1px solid currentColor;
  border-radius: 50%;
  box-shadow: 0 0 16px currentColor, inset 0 0 10px currentColor;
  animation: click-ripple .62s cubic-bezier(.12,.7,.2,1) forwards;
}

.click-particle {
  width: 4px;
  height: 4px;
  margin: -2px 0 0 -2px;
  border-radius: 50%;
  background: var(--fx-color);
  box-shadow: 0 0 10px var(--fx-color);
  animation: click-particle .58s cubic-bezier(.15,.65,.25,1) forwards;
}

.fx-enabled .reveal {
  opacity: 1;
  transform: translate3d(0, 14px, 0);
}

.fx-enabled.is-ready .reveal {
  animation: reveal-up .48s cubic-bezier(.2,.75,.2,1) forwards;
  animation-delay: var(--delay, 0s);
}

.fx-enabled header.reveal {
  opacity: 1;
  filter: none;
  transform: none;
}

.fx-enabled.is-ready header.reveal { animation: none; }

.fx-enabled header.reveal .brand-icon {
  opacity: .78;
  transform: scale(.96) rotate(-2deg);
}

.fx-enabled header.reveal .brand > span:last-child,
.fx-enabled header.reveal .business-nav {
  opacity: 1;
  transform: translateY(-3px);
}

.fx-enabled.is-ready header.reveal .brand-icon {
  animation: logo-boot .32s cubic-bezier(.2,.8,.2,1) forwards, brand-pulse 3.4s ease-in-out infinite .32s;
}

.fx-enabled.is-ready header.reveal .brand > span:last-child {
  animation: header-rise .3s ease forwards .02s;
}

.fx-enabled.is-ready header.reveal .business-nav {
  animation: header-rise .3s ease forwards .04s;
}

.fx-enabled .hero-copy > * {
  opacity: 1;
  transform: translateY(8px);
}

.fx-enabled.is-ready .hero-copy > * {
  animation: hero-rise .38s cubic-bezier(.2,.75,.2,1) forwards;
}

.fx-enabled.is-ready .hero-copy > *:nth-child(1) { animation-delay: .02s; }
.fx-enabled.is-ready .hero-copy > *:nth-child(2) { animation-delay: .04s; }
.fx-enabled.is-ready .hero-copy > *:nth-child(3) { animation-delay: .06s; }
.fx-enabled.is-ready .hero-copy > *:nth-child(4) { animation-delay: .08s; }
.fx-enabled.is-ready .hero-copy > *:nth-child(5) { animation-delay: .10s; }
.fx-enabled.is-ready .hero-copy > *:nth-child(6) { animation-delay: .12s; }

.fx-enabled .panel { opacity: .55; filter: blur(4px); }
.fx-enabled.is-ready .panel { animation: panel-in .42s ease forwards .08s; }

button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }

.page-directory {
  --directory-pointer-offset: 0px;
  --directory-accent: #5ef2ff;
  --directory-accent-rgb: 94, 242, 255;
  width: 48px;
  position: fixed;
  left: clamp(30px, 3vw, 52px);
  top: 50%;
  z-index: 12;
  overflow: hidden;
  translate: 0 -50%;
  border: 1px solid rgba(var(--directory-accent-rgb), .3);
  border-radius: 14px;
  background: rgba(8,13,20,.91);
  box-shadow: 0 16px 52px rgba(0,0,0,.44), inset 0 0 26px rgba(var(--directory-accent-rgb), .04);
  backdrop-filter: blur(18px);
  transition: width .28s cubic-bezier(.2,.78,.2,1), border-color .25s ease, box-shadow .25s ease;
  user-select: none;
}

.page-directory[data-accent="content"] {
  --directory-accent: #9b8cff;
  --directory-accent-rgb: 155, 140, 255;
}

.page-directory[data-accent="email"] {
  --directory-accent: #ff6edb;
  --directory-accent-rgb: 255, 110, 219;
}

.page-directory[data-accent="recharge"] {
  --directory-accent: #73f6ae;
  --directory-accent-rgb: 115, 246, 174;
}

.page-directory[data-accent="contact"] {
  --directory-accent: #ffd166;
  --directory-accent-rgb: 255, 209, 102;
}

.page-directory.is-custom-position {
  translate: 0 0;
}
.page-directory.is-dragging {
  width: 188px;
  border-color: rgba(var(--directory-accent-rgb), .82);
  box-shadow: 0 18px 58px rgba(0,0,0,.52), 0 0 30px rgba(var(--directory-accent-rgb), .2);
  transition: border-color .15s ease, box-shadow .15s ease;
}

.page-directory::before {
  content: "";
  width: 126px;
  height: 92px;
  position: absolute;
  left: -48px;
  top: 50%;
  pointer-events: none;
  opacity: .64;
  transform: translate3d(0, var(--directory-pointer-offset), 0) translateY(-50%);
  background: radial-gradient(circle, rgba(var(--directory-accent-rgb), .2), transparent 68%);
  transition: transform .08s linear, background .25s ease;
}

.page-directory::after {
  content: "";
  width: 1px;
  position: absolute;
  inset: 14px auto 14px 0;
  background: linear-gradient(transparent, var(--directory-accent), transparent);
  box-shadow: 0 0 12px var(--directory-accent);
  transition: background .25s ease, box-shadow .25s ease;
}

.page-directory:hover,
.page-directory:focus-within {
  width: 188px;
  border-color: rgba(var(--directory-accent-rgb), .62);
  box-shadow: 0 20px 66px rgba(0,0,0,.5), 0 0 30px rgba(var(--directory-accent-rgb), .1), inset 0 0 28px rgba(var(--directory-accent-rgb), .055);
}

.page-directory.is-dragging:hover { width: 188px; }

.directory-head {
  width: 176px;
  min-height: 48px;
  margin: 6px;
  padding: 6px;
  display: grid;
  grid-template-columns: 28px 1fr;
  align-items: center;
  gap: 9px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  cursor: ns-resize;
  touch-action: none;
}

.page-directory.is-dragging .directory-head { cursor: ns-resize; }

.directory-mark {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(var(--directory-accent-rgb), .5);
  border-radius: 8px;
  color: var(--directory-accent);
  font: 800 .75rem/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .03em;
  box-shadow: inset 0 0 12px rgba(var(--directory-accent-rgb), .08);
  transition: color .25s ease, border-color .25s ease, box-shadow .25s ease;
}

.directory-title,
.directory-item > span {
  opacity: 0;
  transform: translateX(-7px);
  transition: opacity .16s ease, transform .22s ease;
}

.page-directory:hover .directory-title,
.page-directory:focus-within .directory-title,
.page-directory:hover .directory-item > span,
.page-directory:focus-within .directory-item > span {
  opacity: 1;
  transform: translateX(0);
}

.directory-title small,
.directory-title strong { display: block; white-space: nowrap; }

.directory-title small {
  color: #a0a9bc;
  font: 700 .75rem/1.2 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .12em;
}

.directory-title strong {
  margin-top: 3px;
  color: #f5f7fb;
  font-size: .78rem;
  letter-spacing: .06em;
}

.directory-list {
  width: 176px;
  margin: 0 6px 6px;
  display: grid;
  gap: 3px;
}

.directory-item {
  width: 176px;
  min-height: 44px;
  position: relative;
  overflow: hidden;
  padding: 6px;
  display: grid;
  grid-template-columns: 28px 1fr;
  align-items: center;
  gap: 9px;
  border: 1px solid transparent;
  border-radius: 9px;
  background: transparent;
  color: #8f97aa;
  cursor: pointer;
  font: inherit;
  text-align: left;
  transition: color .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease;
}

.directory-item::after {
  content: "";
  width: 2px;
  position: absolute;
  inset: 9px auto 9px 0;
  opacity: 0;
  background: var(--directory-accent);
  box-shadow: 0 0 12px var(--directory-accent);
  transition: opacity .2s ease, background .25s ease, box-shadow .25s ease;
}

.directory-item:hover,
.directory-item.is-active {
  color: #f7fbff;
  border-color: rgba(var(--directory-accent-rgb), .23);
  background: linear-gradient(90deg, rgba(var(--directory-accent-rgb), .11), rgba(var(--directory-accent-rgb), .025));
  box-shadow: inset 0 0 18px rgba(var(--directory-accent-rgb), .035);
}

.directory-item.is-active::after { opacity: 1; }

.directory-item:focus-visible {
  outline: 2px solid rgba(var(--directory-accent-rgb), .62);
  outline-offset: -2px;
}

.directory-number {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 7px;
  color: #81899b;
  font: 800 .61rem/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  transition: color .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.directory-item.is-active .directory-number {
  color: var(--directory-accent);
  border-color: rgba(var(--directory-accent-rgb), .62);
  box-shadow: 0 0 14px rgba(var(--directory-accent-rgb), .13), inset 0 0 10px rgba(var(--directory-accent-rgb), .08);
}

.directory-item > span strong,
.directory-item > span small { display: block; white-space: nowrap; }

.directory-item > span strong { font-size: .73rem; }
.directory-item > span small {
  margin-top: 1px;
  color: #a0a9bc;
  font: 700 .75rem/1.25 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .07em;
}

.page {
  width: min(calc(100% - 40px), var(--max));
  min-height: 100svh;
  position: relative;
  z-index: 2;
  margin: 0 auto;
  padding: 28px 0 96px;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

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

.brand {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: -.02em;
}

button.brand {
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  text-align: left;
}

.brand-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  padding: 2px;
  border: 1px solid rgba(94, 242, 255, .7);
  border-radius: 13px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(145deg, rgba(94,242,255,.09), rgba(139,124,255,.035));
  box-shadow: inset 0 0 20px rgba(94, 242, 255, .08), 0 0 24px rgba(94, 242, 255, .08);
  animation: brand-pulse 3.4s ease-in-out infinite;
}

.brand-icon img {
  width: 100%;
  height: 100%;
  display: block;
  border-radius: 10px;
  object-fit: cover;
}

.brand-icon picture {
  width: 100%;
  height: 100%;
  display: block;
}

.brand-icon::after {
  content: "";
  position: absolute;
  inset: -60% -120%;
  background: linear-gradient(110deg, transparent 38%, rgba(255,255,255,.42) 50%, transparent 62%);
  transform: translateX(-35%);
  animation: icon-sweep 4.8s ease-in-out infinite;
}

.brand small {
  display: block;
  margin-top: -3px;
  color: var(--muted);
  font: 600 .75rem/1.3 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.business-nav {
  min-width: 570px;
  display: grid;
  grid-template-columns: .7fr repeat(4, minmax(0, 1fr));
  gap: 5px;
  padding: 4px;
  border: 1px solid rgba(255,255,255,.11);
  border-radius: 12px;
  background: rgba(8,12,19,.72);
  box-shadow: inset 0 0 26px rgba(94,242,255,.025), 0 12px 34px rgba(0,0,0,.2);
  backdrop-filter: blur(15px);
}

.business-nav button {
  min-height: 38px;
  padding: 7px 10px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: #9199aa;
  cursor: pointer;
  font: 700 .76rem/1.2 "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  white-space: nowrap;
  transition: color .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease, transform .2s ease;
}

.business-nav button:hover,
.business-nav button:focus-visible {
  color: #f7fbff;
  border-color: rgba(94,242,255,.3);
  background: rgba(94,242,255,.075);
  box-shadow: inset 0 0 18px rgba(94,242,255,.035);
  transform: translateY(-1px);
}

.business-nav button:last-child {
  color: #9ff8c6;
  border-color: rgba(115,246,174,.19);
  background: rgba(115,246,174,.045);
}

.business-nav .nav-home {
  color: #d1faff;
  background: rgba(94,242,255,.065);
  border-color: rgba(94,242,255,.16);
}

.business-nav button:last-child:hover,
.business-nav button:last-child:focus-visible {
  border-color: rgba(115,246,174,.52);
  background: rgba(115,246,174,.1);
  box-shadow: 0 0 22px rgba(115,246,174,.08);
}

main {
  --business-section-gap: 32px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--business-section-gap);
  align-content: start;
  padding: clamp(54px, 8vh, 90px) 0;
}

main > * { margin-block: 0; }

.domain-stage {
  --domain-actions-width: 610px;
  --domain-action-height: 74px;
  --spot-x: 28%;
  --spot-y: 38%;
  min-width: 0;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(28px, 5vw, 58px);
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(330px, .92fr);
  column-gap: clamp(38px, 7vw, 88px);
  row-gap: clamp(30px, 4vw, 46px);
  align-items: center;
  border: 1px solid rgba(94,242,255,.34);
  border-radius: 24px;
  background:
    radial-gradient(520px circle at var(--spot-x) var(--spot-y), rgba(94,242,255,.105), transparent 62%),
    linear-gradient(125deg, rgba(11,24,30,.94), rgba(8,13,21,.9));
  box-shadow: 0 36px 110px rgba(0,0,0,.42), inset 0 0 70px rgba(94,242,255,.035);
  backdrop-filter: blur(20px);
  transition: border-color .25s ease, box-shadow .25s ease;
}

.domain-stage:hover {
  border-color: rgba(94,242,255,.58);
  box-shadow: 0 40px 120px rgba(0,0,0,.48), 0 0 56px rgba(94,242,255,.075), inset 0 0 80px rgba(94,242,255,.05);
}

.hero-copy,
.tool-copy { min-width: 0; }

.kicker {
  margin: 0 0 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--cyan);
  font: 700 .8rem/1.3 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.kicker::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 5px rgba(94,242,255,.08), 0 0 16px var(--cyan);
  animation: status-ping 2s ease-in-out infinite;
}

h1 {
  max-width: 760px;
  margin: 0 0 20px;
  font-size: clamp(2.35rem, 4.8vw, 4.55rem);
  line-height: 1;
  letter-spacing: 0;
  text-shadow: 0 0 38px rgba(245, 247, 251, .055);
}

.headline-main {
  display: block;
  padding-bottom: .04em;
  white-space: nowrap;
  line-height: 1.08;
  letter-spacing: -.025em;
}

h1 strong {
  display: block;
  margin-top: .18em;
  padding-bottom: .1em;
  color: transparent;
  background: linear-gradient(90deg, var(--cyan), #d5fcff 42%, var(--violet) 76%, var(--cyan));
  background-size: 220% auto;
  -webkit-background-clip: text;
  background-clip: text;
  font-size: .46em;
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -.025em;
  animation: text-flow 6s linear infinite;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.service-tags span {
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: #b9becc;
  background: rgba(255,255,255,.025);
  font-size: .78rem;
  transition: transform .2s ease, border-color .2s ease, color .2s ease, box-shadow .2s ease;
}

.service-tags span:hover {
  transform: translateY(-3px);
  border-color: rgba(94,242,255,.52);
  color: var(--cyan);
  box-shadow: 0 8px 28px rgba(94,242,255,.08);
}

.slogan {
  max-width: 620px;
  margin: 0 0 24px;
  color: #b9becc;
  font-size: clamp(1rem, 1.35vw, 1.12rem);
  padding-left: 15px;
  border-left: 1px solid rgba(94,242,255,.42);
}

.slogan b {
  display: block;
  margin-bottom: 3px;
  color: var(--text);
  font-size: 1.12em;
}

.slogan span {
  display: block;
  color: var(--muted);
}

.link-actions {
  max-width: 610px;
  display: grid;
  gap: 10px;
}

.feature-link {
  --spot-position: 50% 50%;
  min-height: 66px;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgba(255,255,255,.03);
  color: var(--text);
  transition: transform .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease;
}

.feature-link::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0;
  background: radial-gradient(180px circle at var(--spot-position), rgba(94,242,255,.16), transparent 70%);
  transition: opacity .2s ease;
}

.feature-link > * { position: relative; z-index: 1; }

.feature-link:hover {
  transform: translateX(4px);
  border-color: rgba(94, 242, 255, .55);
}

.feature-link:hover::before { opacity: 1; }

.feature-link b {
  display: block;
  font-size: .98rem;
}

.feature-link small {
  display: block;
  margin-top: 1px;
  color: var(--muted);
  font: 500 .76rem/1.45 ui-monospace, SFMono-Regular, Menlo, monospace;
  overflow-wrap: anywhere;
}

.feature-link > strong {
  color: var(--cyan);
  font-size: 1.2rem;
  transition: transform .22s ease;
}

.feature-link:hover > strong { transform: translate(3px, -3px) rotate(7deg); }

.feature-link-primary {
  border-color: var(--cyan);
  background: var(--cyan);
  color: #041013;
  box-shadow: 0 12px 34px rgba(94, 242, 255, .15);
  animation: cta-pulse 3s ease-in-out infinite;
}

.feature-link-primary::after {
  content: "";
  position: absolute;
  inset: -80% -35%;
  z-index: 0;
  transform: translateX(-68%) rotate(12deg);
  background: linear-gradient(90deg, transparent 38%, rgba(255,255,255,.5) 50%, transparent 62%);
  animation: cta-sheen 3.8s ease-in-out infinite;
}

.feature-link-primary:hover {
  background: #a5f8ff;
  border-color: #a5f8ff;
  box-shadow: 0 16px 44px rgba(94, 242, 255, .2);
}

.feature-link-primary small,
.feature-link-primary > strong {
  color: rgba(4, 16, 19, .68);
}

.feature-link-primary small {
  margin-top: 3px;
  color: rgba(4, 16, 19, .86);
  font-size: .84rem;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -.01em;
}

.feature-link-query {
  border-color: rgba(94, 242, 255, .56);
  background:
    linear-gradient(105deg, rgba(94, 242, 255, .12), rgba(139, 124, 255, .1)),
    rgba(255,255,255,.035);
  box-shadow:
    inset 0 0 0 1px rgba(94, 242, 255, .05),
    0 12px 36px rgba(94, 242, 255, .09);
  animation: query-glow 3.2s ease-in-out infinite;
}

.feature-link-query b {
  color: #f4fdff;
  letter-spacing: .01em;
}

.feature-link-query small {
  color: var(--cyan);
  font-family: inherit;
  font-weight: 700;
  letter-spacing: .08em;
}

.feature-link-query > strong {
  text-shadow: 0 0 14px rgba(94, 242, 255, .75);
}

.feature-link-query:hover {
  border-color: rgba(94, 242, 255, .95);
  background:
    linear-gradient(105deg, rgba(94, 242, 255, .18), rgba(139, 124, 255, .14)),
    rgba(255,255,255,.05);
  box-shadow:
    inset 0 0 0 1px rgba(94, 242, 255, .12),
    0 16px 46px rgba(94, 242, 255, .16);
}

.qq-inline {
  margin-top: 12px;
  min-height: 44px;
  padding: 8px 0;
  display: inline-flex;
  align-items: center;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: .8rem;
  text-align: left;
  transition: color .2s ease, text-shadow .2s ease;
}

.qq-inline:hover { color: var(--cyan); text-shadow: 0 0 18px rgba(94,242,255,.34); }

.qq-inline:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(94, 242, 255, .4);
  outline-offset: 4px;
}

.panel {
  --spot-x: 50%;
  --spot-y: 50%;
  --tilt-x: 0deg;
  --tilt-y: 0deg;
  --lift: 0px;
  position: relative;
  display: block;
  padding: 30px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
  background:
    radial-gradient(360px circle at var(--spot-x) var(--spot-y), rgba(94,242,255,.105), transparent 62%),
    var(--panel);
  box-shadow: 0 30px 90px rgba(0, 0, 0, .38);
  backdrop-filter: blur(18px);
  transition: transform .24s ease, border-color .24s ease, box-shadow .24s ease;
  transform: perspective(1000px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y)) translateY(var(--lift));
  transform-style: preserve-3d;
  will-change: transform;
}

.domain-stage .panel {
  min-height: 390px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.panel:hover {
  --lift: -5px;
  border-color: rgba(94, 242, 255, .48);
  box-shadow: 0 34px 100px rgba(0, 0, 0, .44), 0 0 42px rgba(94, 242, 255, .07);
}

.panel::before,
.panel::after {
  content: "";
  position: absolute;
  width: 32px;
  height: 32px;
  pointer-events: none;
}

.panel::before {
  top: -1px;
  left: -1px;
  border-top: 2px solid var(--cyan);
  border-left: 2px solid var(--cyan);
  animation: corner-cyan 2.8s ease-in-out infinite;
}

.panel::after {
  right: -1px;
  bottom: -1px;
  border-right: 2px solid var(--violet);
  border-bottom: 2px solid var(--violet);
  animation: corner-violet 2.8s ease-in-out infinite reverse;
}

.panel > * { position: relative; z-index: 1; transform: translateZ(14px); }

.panel-label {
  margin: 0 0 22px;
  color: var(--muted);
  font: 700 .76rem/1.2 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.panel-label::after {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-left: 10px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
  animation: status-ping 2s ease-in-out infinite;
}

.ad-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: inventory;
}

.ad-list li {
  counter-increment: inventory;
  position: relative;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  transition: padding-left .2s ease, border-color .2s ease;
}

.ad-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 2px;
  height: 28px;
  opacity: 0;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
  transition: opacity .2s ease;
}

.ad-list li::after {
  content: "0" counter(inventory);
  position: absolute;
  top: 21px;
  right: 2px;
  color: rgba(94,242,255,.22);
  font: 700 .72rem/1 ui-monospace, SFMono-Regular, Menlo, monospace;
}

.ad-list li:hover {
  padding-left: 12px;
  border-color: rgba(94,242,255,.28);
}

.ad-list li:hover::before { opacity: 1; }

.ad-list strong {
  display: block;
  margin-bottom: 4px;
  font-size: 1.08rem;
}

.ad-list span {
  color: var(--muted);
  font-size: .88rem;
}

.shop-prompt {
  margin-top: 18px;
  padding: 17px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border: 1px solid rgba(94, 242, 255, .28);
  border-radius: 12px;
  background: rgba(94, 242, 255, .055);
  color: var(--cyan);
  font-weight: 800;
  position: relative;
  overflow: hidden;
  box-shadow: inset 0 0 28px rgba(94,242,255,.025);
  transition: border-color .2s ease, background .2s ease, box-shadow .2s ease;
}

.shop-prompt::before {
  content: "";
  position: absolute;
  inset: -90% -45%;
  transform: translateX(-70%) rotate(12deg);
  background: linear-gradient(90deg, transparent 42%, rgba(94,242,255,.16) 50%, transparent 58%);
  animation: panel-sheen 4.6s ease-in-out infinite;
}

.panel:hover .shop-prompt {
  border-color: rgba(94,242,255,.6);
  background: rgba(94,242,255,.085);
  box-shadow: inset 0 0 32px rgba(94,242,255,.05), 0 0 26px rgba(94,242,255,.06);
}

.shop-prompt span:last-child {
  font-size: 1.15rem;
  animation: arrow-float 1.6s ease-in-out infinite;
}

.tool-business {
  --spot-x: 72%;
  --spot-y: 40%;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  margin: 0;
  padding: clamp(28px, 5vw, 58px);
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(330px, .92fr);
  column-gap: clamp(38px, 7vw, 88px);
  row-gap: clamp(30px, 4vw, 46px);
  align-items: center;
  border: 1px solid rgba(139, 124, 255, .34);
  border-radius: 24px;
  background:
    radial-gradient(520px circle at var(--spot-x) var(--spot-y), rgba(94, 242, 255, .1), transparent 62%),
    linear-gradient(125deg, rgba(16, 21, 31, .94), rgba(11, 11, 20, .9));
  box-shadow: 0 36px 110px rgba(0, 0, 0, .42), inset 0 0 70px rgba(139, 124, 255, .035);
  backdrop-filter: blur(20px);
  transition: border-color .25s ease, box-shadow .25s ease;
  content-visibility: visible;
  contain-intrinsic-size: none;
}

:is(.domain-stage, .tool-business).motion-paused::after,
:is(.domain-stage, .tool-business).motion-paused .kicker::before,
:is(.domain-stage, .tool-business).motion-paused h1 strong,
:is(.domain-stage, .tool-business).motion-paused .feature-link-primary,
:is(.domain-stage, .tool-business).motion-paused .feature-link-primary::after,
:is(.domain-stage, .tool-business).motion-paused .feature-link-query,
:is(.domain-stage, .tool-business).motion-paused .shop-prompt::before,
:is(.domain-stage, .tool-business).motion-paused .shop-prompt span:last-child,
:is(.domain-stage, .tool-business).motion-paused .business-visual img,
:is(.domain-stage, .tool-business).motion-paused .visual-chip,
.page-hidden::before,
.page-hidden::after,
.page-hidden *,
.page-hidden *::before,
.page-hidden *::after {
  animation-play-state: paused !important;
}

:is(.domain-stage, .tool-business).motion-paused .business-visual img {
  will-change: auto;
}

body.is-scrolling::before,
body.is-scrolling .orb,
body.is-scrolling .scan-beam,
body.is-scrolling .brand-icon,
body.is-scrolling .brand-icon::after,
body.is-scrolling .kicker::before,
body.is-scrolling h1 strong,
body.is-scrolling .feature-link-primary,
body.is-scrolling .feature-link-primary::after,
body.is-scrolling .feature-link-query,
body.is-scrolling .shop-prompt::before,
body.is-scrolling .shop-prompt span:last-child,
body.is-scrolling :is(.domain-stage, .tool-business)::after,
body.is-scrolling .business-visual img,
body.is-scrolling .visual-chip,
body.is-scrolling .sound-indicator {
  animation-play-state: paused !important;
}

body.is-scrolling header,
body.is-scrolling .page-directory,
body.is-scrolling .sound-toggle,
body.is-scrolling .back-to-top,
body.is-scrolling .toast,
body.is-scrolling .visual-chip,
body.is-scrolling .visual-caption {
  -webkit-backdrop-filter: none !important;
  backdrop-filter: none !important;
}

.tool-business::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: .23;
  background-image:
    linear-gradient(rgba(139,124,255,.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139,124,255,.18) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(100deg, transparent 5%, #000 55%, #000 100%);
}

.tool-business::after {
  content: "";
  position: absolute;
  top: 0;
  left: 8%;
  width: 30%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--violet), var(--cyan), transparent);
  box-shadow: 0 0 24px rgba(139,124,255,.75);
  animation: api-border-flow 5s ease-in-out infinite alternate;
}

.tool-business:hover {
  border-color: rgba(139, 124, 255, .58);
  box-shadow: 0 40px 120px rgba(0, 0, 0, .48), 0 0 56px rgba(139, 124, 255, .075), inset 0 0 80px rgba(139, 124, 255, .05);
}

.tool-copy,
.tool-console { position: relative; z-index: 1; }

.tool-eyebrow {
  margin: 0 0 14px;
  color: #aaa5ff;
  font: 700 .78rem/1.4 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .15em;
  text-transform: uppercase;
}

.tool-eyebrow span {
  margin-right: 10px;
  padding: 4px 8px;
  border: 1px solid rgba(139,124,255,.4);
  border-radius: 999px;
  background: rgba(139,124,255,.1);
  color: #cbc7ff;
  letter-spacing: .08em;
}

.tool-business h2 {
  margin: 0;
  font-size: clamp(2.35rem, 4.8vw, 4.55rem);
  line-height: 1.04;
  letter-spacing: -.055em;
}

.tool-business h2 span {
  display: block;
  color: transparent;
  background: linear-gradient(90deg, var(--violet), #ebe9ff 48%, var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
}

.tool-summary {
  max-width: 610px;
  margin: 22px 0 0;
  color: #a9afbf;
  font-size: 1rem;
  line-height: 1.85;
}

.tool-summary strong {
  display: block;
  margin-bottom: 5px;
  color: #f2f1ff;
  font-size: 1.12rem;
  letter-spacing: -.01em;
}

.tool-summary span { display: block; }

.tool-tags {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tool-tags span {
  padding: 7px 11px;
  border: 1px solid rgba(139,124,255,.24);
  border-radius: 8px;
  background: rgba(139,124,255,.055);
  color: #b9b5ee;
  font-size: .78rem;
}

.product-stats {
  margin-top: 26px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid rgba(139,124,255,.22);
  border-radius: 13px;
  overflow: hidden;
  background: rgba(139,124,255,.035);
}

.product-stats span {
  min-width: 0;
  padding: 13px 10px;
  text-align: center;
  border-right: 1px solid rgba(139,124,255,.18);
}

.product-stats span:last-child { border-right: 0; }

.product-stats b,
.product-stats small { display: block; }

.product-stats b {
  color: #eceaff;
  font-size: .92rem;
  line-height: 1.35;
  white-space: nowrap;
}

.product-stats small {
  margin-top: 2px;
  color: #858ba0;
  font-size: .75rem;
  line-height: 1.4;
}

.tool-qq {
  width: min(100%, 500px);
  min-height: 62px;
  margin-top: 28px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid rgba(94,242,255,.35);
  border-radius: 13px;
  background: linear-gradient(100deg, rgba(94,242,255,.09), rgba(139,124,255,.1));
  color: var(--text);
  cursor: pointer;
  font: inherit;
  text-align: left;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease, background .2s ease;
}

.tool-qq::before {
  content: "QQ";
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border: 1px solid rgba(94,242,255,.5);
  border-radius: 9px;
  color: var(--cyan);
  font: 800 .7rem/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  box-shadow: inset 0 0 18px rgba(94,242,255,.08);
}

.tool-qq span { flex: 1; }
.tool-qq b { display: block; font-size: .98rem; }
.tool-qq em { color: var(--cyan); font-size: .76rem; font-style: normal; }

.tool-qq:hover {
  transform: translateY(-3px);
  border-color: rgba(94,242,255,.7);
  background: linear-gradient(100deg, rgba(94,242,255,.14), rgba(139,124,255,.15));
  box-shadow: 0 16px 42px rgba(94,242,255,.09);
}

.tool-qq:focus-visible {
  outline: 3px solid rgba(139, 124, 255, .42);
  outline-offset: 4px;
}

.tool-console {
  min-height: 390px;
  padding: 22px;
  border: 1px solid rgba(139,124,255,.28);
  border-radius: 18px;
  overflow: hidden;
  background: rgba(4, 6, 12, .8);
  box-shadow: inset 0 0 48px rgba(139,124,255,.045), 0 24px 70px rgba(0,0,0,.3);
}

.tool-console::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -2px;
  height: 70px;
  opacity: .42;
  background: linear-gradient(to bottom, transparent, rgba(139,124,255,.13), transparent);
  animation: console-scan 4.2s linear infinite;
  pointer-events: none;
}

.console-head {
  padding-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border-bottom: 1px solid rgba(255,255,255,.1);
  color: #777f92;
  font: 700 .7rem/1.4 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.console-lights { display: flex; gap: 6px; }
.console-lights i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--violet);
  box-shadow: 0 0 10px rgba(139,124,255,.65);
  animation: console-node 1.8s ease-in-out infinite;
}
.console-lights i:nth-child(2) { animation-delay: .25s; background: #b5acff; }
.console-lights i:nth-child(3) { animation-delay: .5s; background: var(--cyan); }

.console-flow {
  display: grid;
  gap: 13px;
  padding: 23px 0 16px;
}

.console-row {
  display: grid;
  grid-template-columns: 32px 1fr auto;
  align-items: center;
  gap: 12px;
  color: #b5bac8;
  font-size: .84rem;
}

.console-row b {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(139,124,255,.3);
  border-radius: 8px;
  color: #a79cff;
  font: 700 .68rem/1 ui-monospace, SFMono-Regular, Menlo, monospace;
}

.console-row small {
  color: rgba(94,242,255,.66);
  font: 700 .62rem/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .08em;
}

.console-progress {
  height: 5px;
  margin-top: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255,255,255,.06);
}

.console-progress span {
  display: block;
  width: 72%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--violet), var(--cyan));
  box-shadow: 0 0 16px rgba(94,242,255,.4);
  animation: progress-breathe 2.6s ease-in-out infinite;
}

.console-foot {
  margin-top: 18px;
  padding-top: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid rgba(255,255,255,.1);
  color: #777f92;
  font: 600 .68rem/1.4 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .07em;
}

.console-foot strong { color: var(--cyan); font-size: .7rem; }

.email-business {
  --email: #ff6edb;
  --email-soft: #c978ff;
  border-color: rgba(255, 110, 219, .32);
  background:
    radial-gradient(520px circle at var(--spot-x) var(--spot-y), rgba(255,110,219,.105), transparent 62%),
    linear-gradient(125deg, rgba(20, 15, 29, .94), rgba(8, 13, 22, .92));
  box-shadow: 0 36px 110px rgba(0,0,0,.42), inset 0 0 70px rgba(255,110,219,.03);
}

.email-business::before {
  background-image:
    linear-gradient(rgba(255,110,219,.15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,110,219,.15) 1px, transparent 1px);
}

.email-business::after {
  background: linear-gradient(90deg, transparent, var(--email), var(--email-soft), var(--cyan), transparent);
  box-shadow: 0 0 24px rgba(255,110,219,.68);
}

.email-business:hover {
  border-color: rgba(255,110,219,.58);
  box-shadow: 0 40px 120px rgba(0,0,0,.48), 0 0 56px rgba(255,110,219,.075), inset 0 0 80px rgba(255,110,219,.045);
}

.email-business .tool-eyebrow { color: #f0a7df; }

.email-business .tool-eyebrow span {
  border-color: rgba(255,110,219,.42);
  background: rgba(255,110,219,.1);
  color: #ffd0f1;
}

.email-business h2 span {
  background: linear-gradient(90deg, var(--email), #ffe7f8 48%, var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
}

.email-business .tool-tags span {
  border-color: rgba(255,110,219,.25);
  background: rgba(255,110,219,.055);
  color: #e6b7db;
}

.email-business .product-stats {
  border-color: rgba(255,110,219,.22);
  background: rgba(255,110,219,.035);
}

.email-business .product-stats span { border-color: rgba(255,110,219,.18); }

.email-business .tool-qq {
  border-color: rgba(255,110,219,.38);
  background: linear-gradient(100deg, rgba(255,110,219,.1), rgba(94,242,255,.08));
}

.email-business .tool-qq::before {
  border-color: rgba(255,110,219,.55);
  color: #ff9ce5;
  box-shadow: inset 0 0 18px rgba(255,110,219,.09);
}

.email-business .tool-qq em { color: #ff9ce5; }

.email-business .tool-qq:hover {
  border-color: rgba(255,110,219,.78);
  background: linear-gradient(100deg, rgba(255,110,219,.16), rgba(94,242,255,.12));
  box-shadow: 0 16px 42px rgba(255,110,219,.09);
}

.email-business .tool-console {
  border-color: rgba(255,110,219,.28);
  box-shadow: inset 0 0 48px rgba(255,110,219,.04), 0 24px 70px rgba(0,0,0,.3);
}

.email-business .tool-console::after {
  background: linear-gradient(to bottom, transparent, rgba(255,110,219,.13), transparent);
}

.email-business .console-lights i {
  background: var(--email);
  box-shadow: 0 0 10px rgba(255,110,219,.65);
}

.email-business .console-lights i:nth-child(2) { background: var(--email-soft); }
.email-business .console-lights i:nth-child(3) { background: var(--cyan); }

.email-business .console-row b {
  border-color: rgba(255,110,219,.32);
  color: #ff9ce5;
}

.email-business .console-row small { color: rgba(255,156,229,.74); }

.email-business .console-progress span {
  background: linear-gradient(90deg, var(--email), var(--email-soft), var(--cyan));
  box-shadow: 0 0 16px rgba(255,110,219,.38);
}

.email-business .console-foot strong { color: #ff9ce5; }

.recharge-business {
  --recharge: #73f6ae;
  --recharge-soft: #53dfff;
  row-gap: 22px;
  border-color: rgba(115,246,174,.32);
  background:
    radial-gradient(540px circle at var(--spot-x) var(--spot-y), rgba(115,246,174,.11), transparent 62%),
    linear-gradient(125deg, rgba(10, 25, 24, .95), rgba(7, 12, 20, .93));
  box-shadow: 0 36px 110px rgba(0,0,0,.42), inset 0 0 74px rgba(115,246,174,.035);
}

.recharge-business::before {
  background-image:
    linear-gradient(rgba(115,246,174,.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(115,246,174,.14) 1px, transparent 1px);
}

.recharge-business::after {
  background: linear-gradient(90deg, transparent, var(--recharge), var(--recharge-soft), var(--cyan), transparent);
  box-shadow: 0 0 24px rgba(115,246,174,.62);
}

.recharge-business:hover {
  border-color: rgba(115,246,174,.58);
  box-shadow: 0 40px 120px rgba(0,0,0,.48), 0 0 56px rgba(115,246,174,.075), inset 0 0 80px rgba(115,246,174,.05);
}

.recharge-business .tool-eyebrow { color: #8fefba; }
.recharge-business .tool-summary { margin-top: 16px; line-height: 1.7; }

.recharge-business .tool-eyebrow span {
  border-color: rgba(115,246,174,.42);
  background: rgba(115,246,174,.1);
  color: #c7ffdf;
}

.recharge-business h2 span {
  background: linear-gradient(90deg, var(--recharge), #eafff3 48%, var(--recharge-soft));
  -webkit-background-clip: text;
  background-clip: text;
}

.recharge-business .product-stats {
  border-color: rgba(115,246,174,.22);
  background: rgba(115,246,174,.035);
}

.recharge-business .product-stats span { border-color: rgba(115,246,174,.18); }

.recharge-business .tool-console {
  border-color: rgba(115,246,174,.28);
  box-shadow: inset 0 0 48px rgba(115,246,174,.04), 0 24px 70px rgba(0,0,0,.3);
}

.recharge-business .tool-console::after {
  background: linear-gradient(to bottom, transparent, rgba(115,246,174,.13), transparent);
}

.recharge-business .console-lights i {
  background: var(--recharge);
  box-shadow: 0 0 10px rgba(115,246,174,.65);
}

.recharge-business .console-lights i:nth-child(2) { background: var(--recharge-soft); }
.recharge-business .console-lights i:nth-child(3) { background: var(--cyan); }

.recharge-business .console-row b {
  border-color: rgba(115,246,174,.32);
  color: #9ff8c6;
}

.recharge-business .console-row small { color: rgba(115,246,174,.76); }

.recharge-business .console-progress span {
  width: 84%;
  background: linear-gradient(90deg, var(--recharge), var(--recharge-soft), var(--cyan));
  box-shadow: 0 0 16px rgba(115,246,174,.38);
}

.recharge-business .console-foot strong { color: #9ff8c6; }

.recharge-campaign {
  margin-top: 14px;
  padding: 13px 15px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 7px 12px;
  border: 1px solid rgba(115,246,174,.48);
  border-radius: 11px;
  background: linear-gradient(110deg, rgba(115,246,174,.15), rgba(83,223,255,.045));
  box-shadow: inset 0 1px 0 rgba(210,255,227,.09), 0 0 25px rgba(115,246,174,.045);
}

.recharge-campaign span { color: #baffd6; font-size: .95rem; font-weight: 800; }
.recharge-campaign strong { color: #edfff5; font-size: .84rem; }

.recharge-plan-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 9px;
  margin-top: 0;
}

.recharge-plan-area {
  min-width: 0;
  grid-column: 1 / -1;
  padding-top: 4px;
  border-top: 1px solid rgba(115,246,174,.12);
}

.recharge-plan-preview {
  min-width: 0;
  padding: 12px 14px;
  border: 1px solid rgba(115,246,174,.2);
  border-radius: 11px;
  background: linear-gradient(110deg, rgba(115,246,174,.045), rgba(83,223,255,.02));
  transition: border-color .2s ease, box-shadow .2s ease;
}

.recharge-plan-preview:hover {
  border-color: rgba(115,246,174,.5);
  box-shadow: inset 0 0 24px rgba(115,246,174,.035);
}

.recharge-plan-preview > div { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 4px 12px; }
.recharge-plan-preview b { color: #edfff5; font-size: .87rem; }
.recharge-plan-preview b small { margin-left: 5px; color: #9bbaab; font-size: .76rem; font-weight: 500; }
.recharge-plan-preview strong { color: #9ff8c6; font-size: 1.22rem; line-height: 1.3; font-variant-numeric: tabular-nums; }
.recharge-plan-pricing { display: inline-flex; flex-wrap: wrap; align-items: baseline; gap: 5px 10px; }
.recharge-plan-pricing del { color: #94afa1; font-size: .76rem; text-decoration-thickness: 1px; }
.recharge-plan-pricing strong small { margin-left: 5px; color: #b4e9c9; font-size: .75rem; font-weight: 500; }
.recharge-plan-preview p { margin: 6px 0 0; color: #abc8b9; font-size: .78rem; line-height: 1.7; }
.recharge-plan-preview p span { color: #e1f9eb; }
.recharge-plan-preview .recharge-plan-fit { color: #c6edd6; }
.recharge-plan-note { margin: 10px 0 0; color: #9bbaab; font-size: .76rem; line-height: 1.7; text-align: center; }

.recharge-actions {
  width: min(100%, 560px);
  margin-top: 16px;
  display: grid;
  grid-template-columns: 1fr 1.12fr;
  gap: 10px;
}

.recharge-actions a,
.recharge-actions button {
  min-height: 58px;
  padding: 12px 15px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid rgba(115,246,174,.3);
  border-radius: 12px;
  background: rgba(115,246,174,.045);
  color: #d8ffe9;
  cursor: pointer;
  font: inherit;
  font-size: .86rem;
  font-weight: 800;
  text-align: left;
  transition: transform .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease;
}

.recharge-actions > :is(a, button) > span:last-child { color: #8ef5bb; font-size: 1rem; }
.recharge-actions button b,
.recharge-actions button small { display: block; }
.recharge-actions button small { margin-top: 3px; color: #9deac0; font-size: .76rem; font-weight: 600; }

.recharge-actions a:hover,
.recharge-actions button:hover {
  transform: translateY(-3px);
  border-color: rgba(115,246,174,.72);
  background: rgba(115,246,174,.1);
  box-shadow: 0 15px 38px rgba(115,246,174,.08);
}

.recharge-actions > :focus-visible {
  outline: 2px solid var(--recharge);
  outline-offset: 4px;
}

.recharge-actions .recharge-primary {
  border-color: rgba(115,246,174,.65);
  background: linear-gradient(100deg, rgba(115,246,174,.18), rgba(83,223,255,.1));
  color: #f4fff8;
}

.business-actions {
  --action-color: 139,124,255;
  width: min(100%, 560px);
  margin-top: 28px;
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 10px;
}

.domain-stage .business-actions {
  --action-color: 94,242,255;
  margin-top: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: stretch;
}
.email-business .business-actions { --action-color: 255,127,223; }

.detail-button {
  min-height: 66px;
  padding: 13px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid rgba(var(--action-color),.5);
  border-radius: 12px;
  background: linear-gradient(110deg, rgba(var(--action-color),.2), rgba(var(--action-color),.04));
  color: #f5f7fb;
  box-shadow: inset 0 0 22px rgba(var(--action-color),.04);
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.detail-button b { display: block; font-size: 1rem; }
.detail-button small { display: block; margin-top: 2px; color: #bdc5d7; font-size: .76rem; }
.detail-button > strong { color: rgb(var(--action-color)); font-size: 1.15rem; }
.detail-button:hover { transform: translateY(-3px); border-color: rgb(var(--action-color)); box-shadow: 0 12px 30px rgba(var(--action-color),.13); }
.detail-button:focus-visible { outline: 2px solid rgb(var(--action-color)); outline-offset: 4px; }
.business-actions .tool-qq { width: 100%; margin: 0; min-height: 66px; padding: 13px 16px; }
.business-actions .tool-qq b { font-size: .86rem; }
.business-actions .tool-qq em { font-size: .76rem; }

.domain-stage .link-actions,
.domain-stage .business-actions {
  width: min(100%, var(--domain-actions-width));
  gap: 10px;
}

.domain-stage .feature-link,
.domain-stage .detail-button,
.domain-stage .business-actions .tool-qq {
  min-width: 0;
  min-height: var(--domain-action-height);
  border-radius: 13px;
}

.domain-stage :is(.feature-link, .detail-button, .tool-qq) > span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.domain-stage :is(.feature-link, .detail-button) > strong { flex: 0 0 auto; }

.recharge-disclaimer {
  grid-column: 1 / -1;
  margin: 0;
  padding: 13px 15px;
  border: 1px solid rgba(115,246,174,.16);
  border-radius: 11px;
  background: rgba(0,0,0,.16);
  color: #7f948b;
  font-size: .75rem;
  line-height: 1.65;
}

footer {
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: #73798a;
  font-size: .78rem;
}

footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 22px;
}

footer a,
footer button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

footer button {
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font: inherit;
}

footer a:hover,
footer button:hover { color: var(--cyan); }

.footer-qq::before {
  content: "";
  width: 4px;
  height: 4px;
  margin-right: 9px;
  border-radius: 50%;
  background: var(--violet);
  box-shadow: 0 0 10px var(--violet);
}

.footer-qq:focus-visible {
  outline: 3px solid rgba(139, 124, 255, .38);
  outline-offset: 4px;
}

.back-to-top {
  position: fixed;
  right: clamp(14px, 2vw, 28px);
  bottom: 24px;
  z-index: 9;
  min-height: 46px;
  padding: 9px 14px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  border: 1px solid rgba(94, 242, 255, .42);
  border-radius: 12px;
  background: rgba(10, 16, 24, .88);
  color: var(--cyan);
  cursor: pointer;
  font: 700 .8rem/1 "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  letter-spacing: .03em;
  opacity: 0;
  pointer-events: none;
  transform: translateY(14px);
  transition: opacity .22s ease, transform .22s ease, border-color .22s ease, background .22s ease, box-shadow .22s ease;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  box-shadow: 0 14px 46px rgba(0,0,0,.38), inset 0 0 22px rgba(94,242,255,.04);
}

.back-to-top::before {
  content: "↑";
  font: 800 1rem/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  text-shadow: 0 0 14px rgba(94,242,255,.65);
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  border-color: rgba(94,242,255,.9);
  background: rgba(16, 27, 37, .96);
  transform: translateY(-3px);
  box-shadow: 0 18px 54px rgba(0,0,0,.44), 0 0 26px rgba(94,242,255,.12);
}

.back-to-top:focus-visible {
  outline: 3px solid rgba(94, 242, 255, .4);
  outline-offset: 4px;
}

.sound-toggle {
  position: fixed;
  left: clamp(14px, 2vw, 28px);
  bottom: 24px;
  z-index: 9;
  min-height: 46px;
  padding: 9px 13px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  border: 1px solid rgba(255,255,255,.17);
  border-radius: 12px;
  background: rgba(10, 16, 24, .88);
  color: #9ba2b2;
  cursor: pointer;
  font: 800 .72rem/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .08em;
  backdrop-filter: blur(16px);
  box-shadow: 0 14px 46px rgba(0,0,0,.38), inset 0 0 22px rgba(255,255,255,.025);
  transition: color .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease, transform .2s ease;
}

.sound-toggle:hover {
  color: #d7dbe5;
  border-color: rgba(94,242,255,.48);
  background: rgba(16,27,37,.96);
  transform: translateY(-3px);
}

.sound-toggle:focus-visible {
  outline: 3px solid rgba(94,242,255,.38);
  outline-offset: 4px;
}

.sound-toggle[data-enabled="true"] {
  color: var(--cyan);
  border-color: rgba(94,242,255,.62);
  box-shadow: 0 14px 46px rgba(0,0,0,.38), 0 0 28px rgba(94,242,255,.11), inset 0 0 22px rgba(94,242,255,.05);
}

.sound-indicator {
  width: 9px;
  height: 9px;
  position: relative;
  flex: 0 0 auto;
  border: 1px solid currentColor;
  border-radius: 50%;
  box-shadow: 0 0 10px currentColor;
}

.sound-toggle[data-enabled="true"] .sound-indicator {
  background: var(--cyan);
  animation: sound-pulse 1.8s ease-in-out infinite;
}

.copy-qq.is-copied {
  animation: copy-confirm .68s cubic-bezier(.2,.75,.2,1);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 10;
  padding: 11px 16px;
  border: 1px solid rgba(94, 242, 255, .38);
  border-radius: 10px;
  background: #101820;
  color: var(--cyan);
  font-size: .86rem;
  opacity: 0;
  transform: translate(-50%, 14px);
  pointer-events: none;
  transition: .2s ease;
  backdrop-filter: blur(16px);
  box-shadow: 0 16px 60px rgba(0,0,0,.42), 0 0 30px rgba(94,242,255,.08);
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

@keyframes grid-drift {
  to { transform: translate3d(54px, 54px, 0); }
}

@keyframes orb-one {
  to { transform: translate3d(22vw, 18vh, 0) scale(1.15); }
}

@keyframes orb-two {
  to { transform: translate3d(-18vw, -14vh, 0) scale(.9); }
}

@keyframes scan-page {
  from { transform: translateY(-120vh); }
  to { transform: translateY(140vh); }
}

@keyframes reveal-up {
  to { transform: translate3d(0, 0, 0); }
}

@keyframes hero-rise {
  to { transform: translateY(0); }
}

@keyframes panel-in {
  to { opacity: 1; filter: blur(0); }
}

@keyframes logo-boot {
  0% { opacity: .78; transform: scale(.96) rotate(-2deg); }
  68% { opacity: 1; transform: scale(1.035) rotate(1deg); }
  100% { opacity: 1; transform: scale(1) rotate(0); }
}

@keyframes header-rise {
  to { transform: translateY(0); }
}

@keyframes brand-pulse {
  0%, 100% { border-color: rgba(94,242,255,.52); box-shadow: inset 0 0 20px rgba(94,242,255,.06), 0 0 20px rgba(94,242,255,.05); }
  50% { border-color: rgba(94,242,255,.95); box-shadow: inset 0 0 24px rgba(94,242,255,.12), 0 0 30px rgba(94,242,255,.14); }
}

@keyframes icon-sweep {
  0%, 58% { transform: translateX(-35%); opacity: 0; }
  70% { opacity: .75; }
  88%, 100% { transform: translateX(35%); opacity: 0; }
}

@keyframes status-ping {
  0%, 100% { opacity: .65; transform: scale(.82); }
  50% { opacity: 1; transform: scale(1); }
}

@keyframes text-flow {
  to { background-position: -220% center; }
}

@keyframes cta-pulse {
  0%, 100% { box-shadow: 0 12px 34px rgba(94,242,255,.13); }
  50% { box-shadow: 0 16px 48px rgba(94,242,255,.24); }
}

@keyframes cta-sheen {
  0%, 55% { transform: translateX(-68%) rotate(12deg); }
  82%, 100% { transform: translateX(68%) rotate(12deg); }
}

@keyframes query-glow {
  0%, 100% {
    border-color: rgba(94, 242, 255, .48);
    box-shadow: inset 0 0 0 1px rgba(94, 242, 255, .04), 0 10px 30px rgba(94, 242, 255, .07);
  }
  50% {
    border-color: rgba(94, 242, 255, .82);
    box-shadow: inset 0 0 0 1px rgba(94, 242, 255, .1), 0 15px 44px rgba(94, 242, 255, .16);
  }
}

@keyframes corner-cyan {
  0%, 100% { filter: drop-shadow(0 0 2px rgba(94,242,255,.3)); opacity: .7; }
  50% { filter: drop-shadow(0 0 8px rgba(94,242,255,.8)); opacity: 1; }
}

@keyframes corner-violet {
  0%, 100% { filter: drop-shadow(0 0 2px rgba(139,124,255,.3)); opacity: .7; }
  50% { filter: drop-shadow(0 0 8px rgba(139,124,255,.8)); opacity: 1; }
}

@keyframes panel-sheen {
  0%, 62% { transform: translateX(-70%) rotate(12deg); }
  88%, 100% { transform: translateX(70%) rotate(12deg); }
}

@keyframes arrow-float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(3px, -3px); }
}

@keyframes api-border-flow {
  from { transform: translateX(-22%); opacity: .55; }
  to { transform: translateX(188%); opacity: 1; }
}

@keyframes console-scan {
  from { transform: translateY(-80px); }
  to { transform: translateY(390px); }
}

@keyframes console-node {
  0%, 100% { opacity: .35; transform: scale(.75); }
  50% { opacity: 1; transform: scale(1); }
}

@keyframes progress-breathe {
  0%, 100% { opacity: .58; transform: scaleX(.88); transform-origin: left; }
  50% { opacity: 1; transform: scaleX(1); transform-origin: left; }
}

@keyframes click-ripple {
  0% { opacity: 1; transform: scale(.45); }
  70% { opacity: .65; }
  100% { opacity: 0; transform: scale(7.2); }
}

@keyframes click-particle {
  0% { opacity: 1; transform: translate3d(0, 0, 0) scale(1); }
  100% { opacity: 0; transform: translate3d(var(--particle-x), var(--particle-y), 0) scale(.15); }
}

@keyframes sound-pulse {
  50% { opacity: .55; transform: scale(.72); box-shadow: 0 0 17px currentColor; }
}

@keyframes copy-confirm {
  0% { outline: 0 solid rgba(94,242,255,.8); }
  45% { color: #fff; outline: 8px solid rgba(94,242,255,0); filter: brightness(1.35); }
  100% { outline: 0 solid rgba(94,242,255,0); filter: none; }
}

@media (min-width: 861px) {
  main { grid-auto-rows: 1fr; }

  main > :is(.domain-stage, .tool-business) {
    min-width: 0;
    align-self: stretch;
  }

  .tool-business {
    content-visibility: visible;
    contain-intrinsic-size: none;
  }
}

@media (max-width: 1100px) {
  .page-directory { display: none; }
}

@media (max-width: 860px) {
  .page { padding: 22px 0 92px; }

  main { grid-auto-rows: auto; }

  header { align-items: flex-start; flex-wrap: wrap; }
  .business-nav { width: 100%; min-width: 0; order: 2; }

  .domain-stage {
    grid-template-columns: 1fr;
  }

  .panel { max-width: 620px; }
  .domain-stage .panel { min-height: 320px; }
  .tool-business { grid-template-columns: 1fr; }
  .tool-console { min-height: 320px; }
  .cursor-glow,
  .click-fx-layer { display: none; }
}

@media (max-width: 980px) {
  header { flex-wrap: wrap; }
  .business-nav { width: 100%; min-width: 0; order: 2; }
}

@media (max-width: 560px) {
  .page { width: min(calc(100% - 28px), var(--max)); }
  .business-nav { grid-template-columns: .65fr repeat(3, minmax(0, 1fr)) 1.4fr; gap: 3px; padding: 3px; }
  .business-nav button { min-height: 36px; padding: 6px 4px; font-size: .75rem; letter-spacing: -.02em; }
  main { --business-section-gap: 24px; padding-block: 42px; }
  .domain-stage { padding: 24px 18px; gap: 32px; border-radius: 19px; }
  h1 { font-size: clamp(2.15rem, 10.8vw, 3.25rem); }
  .headline-main { white-space: normal; }
  .feature-link { min-height: 70px; padding-inline: 15px; }
  .panel { padding: 23px; }
  .tool-business { padding: 24px 18px; gap: 32px; border-radius: 19px; }
  .tool-business h2 { font-size: clamp(2.35rem, 12vw, 3.25rem); }
  .tool-eyebrow { line-height: 2; }
  .tool-console { min-height: 300px; padding: 18px 15px; }
  .domain-stage .panel { min-height: 300px; }
  .product-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product-stats span:nth-child(2) { border-right: 0; }
  .product-stats span:nth-child(-n+2) { border-bottom: 1px solid rgba(139,124,255,.18); }
  .email-business .product-stats span:nth-child(-n+2) { border-bottom-color: rgba(255,110,219,.18); }
  .recharge-business .product-stats span:nth-child(-n+2) { border-bottom-color: rgba(115,246,174,.18); }
  .recharge-actions,
  .business-actions { grid-template-columns: 1fr; }
  .recharge-plan-list { grid-template-columns: 1fr; }
  .domain-stage .business-actions { grid-template-columns: 1fr; }
  .console-row { grid-template-columns: 30px minmax(0, 1fr) auto; gap: 9px; font-size: .78rem; }
  .console-foot { align-items: flex-start; flex-direction: column; gap: 5px; }
  footer { align-items: flex-start; flex-direction: column; gap: 10px; }
  footer nav { width: 100%; align-items: flex-start; flex-direction: column; gap: 0; }
  footer button { min-height: 40px; text-align: left; }
  .back-to-top { right: 14px; bottom: 16px; width: 44px; min-height: 44px; justify-content: center; padding: 0; border-radius: 50%; font-size: 0; }
  .sound-toggle { left: 14px; bottom: 16px; width: 44px; min-height: 44px; padding: 0; border-radius: 50%; }
  .sound-toggle .sound-label { display: none; }
  .sound-toggle::after { content: "音"; font-size: .75rem; font-weight: 800; }
  .toast { top: 76px; bottom: auto; width: max-content; max-width: calc(100% - 28px); text-align: center; }
}

/* Full-width business showcase — content stays aligned, the atmosphere reaches both edges. */
:root {
  --stage-gutter: clamp(22px, 4.45vw, 86px);
  --stage-border: rgba(94,242,255,.2);
}

.page {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0 0 72px;
}

header {
  min-height: 112px;
  position: sticky;
  top: 0;
  z-index: 18;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  padding: 18px var(--stage-gutter);
  border-bottom: 1px solid rgba(94,242,255,.3);
  background: linear-gradient(180deg, rgba(6,14,23,.96), rgba(6,12,20,.88));
  box-shadow: 0 14px 44px rgba(0,0,0,.22), inset 0 -1px 0 rgba(139,124,255,.08);
  backdrop-filter: blur(16px);
}

.brand-icon,
.brand-icon img { border-radius: 50%; }

.business-nav {
  width: min(100%, 680px);
  min-width: 0;
  justify-self: center;
  gap: 2px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}

.business-nav button,
.business-nav button:last-child,
.business-nav .nav-home {
  --nav-accent: var(--cyan);
  position: relative;
  min-height: 48px;
  padding: 8px 13px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  box-shadow: none;
  color: #aab2c2;
}

.business-nav button:nth-child(3) { --nav-accent: #a59aff; }
.business-nav button:nth-child(4) { --nav-accent: #ff82df; }
.business-nav button:nth-child(5) { --nav-accent: #7bf4b2; }

.business-nav button::after {
  content: "";
  position: absolute;
  left: 20%;
  right: 20%;
  bottom: 1px;
  height: 2px;
  opacity: 0;
  transform: scaleX(.4);
  border-radius: 999px;
  background: var(--nav-accent);
  box-shadow: 0 0 14px var(--nav-accent);
  transition: opacity .2s ease, transform .2s ease;
}

.business-nav button:hover,
.business-nav button:focus-visible,
.business-nav button:last-child:hover,
.business-nav button:last-child:focus-visible,
.business-nav button.is-active {
  color: #f6fbff;
  border-color: transparent;
  background: rgba(255,255,255,.025);
  box-shadow: none;
  transform: none;
}

.business-nav button.is-active { color: var(--nav-accent); }
.business-nav button.is-active::after { opacity: 1; transform: scaleX(1); }

.header-qq {
  min-height: 48px;
  padding: 10px 20px;
  border: 1px solid rgba(94,242,255,.55);
  border-radius: 12px;
  background: rgba(94,242,255,.045);
  color: var(--cyan);
  cursor: pointer;
  font: 800 .84rem/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .03em;
  white-space: nowrap;
  transition: transform .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease;
}

.header-qq:hover,
.header-qq:focus-visible {
  transform: translateY(-2px);
  border-color: var(--cyan);
  background: rgba(94,242,255,.09);
  box-shadow: 0 10px 30px rgba(94,242,255,.1);
}

main {
  --business-section-gap: 1px;
  gap: var(--business-section-gap);
  padding: 0;
  background: rgba(255,255,255,.055);
}

main > :is(.domain-stage, .tool-business) {
  min-height: clamp(720px, 79vh, 860px);
  padding: clamp(58px, 7vh, 86px) var(--stage-gutter);
  contain: layout paint style;
  border: 0;
  border-block: 1px solid var(--stage-border);
  border-radius: 0;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.018), inset 0 -70px 120px rgba(0,0,0,.13);
  backdrop-filter: none;
  scroll-margin-top: 112px;
}

.domain-stage {
  grid-template-columns: minmax(0, 1.16fr) minmax(360px, .84fr);
  background:
    radial-gradient(900px circle at var(--spot-x) var(--spot-y), rgba(94,242,255,.13), transparent 62%),
    radial-gradient(700px circle at 88% 20%, rgba(26,156,219,.12), transparent 58%),
    linear-gradient(118deg, #07151c 0%, #07101a 53%, #050a11 100%);
}

#section-content {
  grid-template-columns: minmax(0, 1.14fr) minmax(360px, .86fr);
  background:
    radial-gradient(900px circle at var(--spot-x) var(--spot-y), rgba(94,242,255,.105), transparent 62%),
    radial-gradient(740px circle at 84% 24%, rgba(95,77,255,.16), transparent 60%),
    linear-gradient(118deg, #0a1220 0%, #090c18 55%, #060811 100%);
}

.email-business {
  grid-template-columns: minmax(0, 1.14fr) minmax(360px, .86fr);
  background:
    radial-gradient(900px circle at var(--spot-x) var(--spot-y), rgba(255,110,219,.105), transparent 62%),
    radial-gradient(760px circle at 84% 25%, rgba(109,76,255,.14), transparent 60%),
    linear-gradient(118deg, #160c1c 0%, #0b0b19 55%, #060811 100%);
}

.recharge-business {
  grid-template-columns: minmax(0, 1.14fr) minmax(360px, .86fr);
  background:
    radial-gradient(900px circle at var(--spot-x) var(--spot-y), rgba(115,246,174,.105), transparent 62%),
    radial-gradient(760px circle at 84% 22%, rgba(32,205,171,.14), transparent 60%),
    linear-gradient(118deg, #071a19 0%, #071118 55%, #05090f 100%);
}

.domain-stage:hover,
.tool-business:hover,
.email-business:hover,
.recharge-business:hover {
  border-block-color: rgba(94,242,255,.42);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.028), inset 0 -80px 140px rgba(0,0,0,.16);
}

.email-business:hover { border-block-color: rgba(255,110,219,.42); }
.recharge-business:hover { border-block-color: rgba(115,246,174,.42); }

.section-watermark {
  position: absolute;
  top: clamp(20px, 3vw, 54px);
  right: clamp(10px, 2.2vw, 42px);
  z-index: 0;
  color: rgba(94,242,255,.035);
  font: 900 clamp(12rem, 27vw, 31rem)/.78 Arial Black, Impact, sans-serif;
  letter-spacing: -.12em;
  pointer-events: none;
  user-select: none;
  transform: skewX(-7deg);
  text-shadow: 0 0 70px rgba(94,242,255,.025);
}

#section-content .section-watermark { color: rgba(139,124,255,.045); }
.email-business .section-watermark { color: rgba(255,110,219,.04); }
.recharge-business .section-watermark { color: rgba(115,246,174,.04); }

.domain-stage > :not(.section-watermark),
.tool-business > :not(.section-watermark) {
  position: relative;
  z-index: 1;
}

.domain-stage .panel {
  min-height: 390px;
  padding: 18px 0 18px clamp(24px, 3vw, 52px);
  border: 0;
  border-left: 1px solid rgba(94,242,255,.25);
  border-radius: 0;
  background: radial-gradient(430px circle at var(--spot-x) var(--spot-y), rgba(94,242,255,.08), transparent 65%);
  box-shadow: none;
  backdrop-filter: none;
}

.domain-stage .panel:hover {
  --lift: -2px;
  border-color: rgba(94,242,255,.48);
  box-shadow: none;
}

.domain-stage .panel::before,
.domain-stage .panel::after { display: none; }
.domain-stage .panel > * { transform: none; }

.tool-console {
  border-radius: 22px;
  background: linear-gradient(145deg, rgba(5,8,16,.82), rgba(7,10,18,.58));
  box-shadow: inset 0 0 54px rgba(139,124,255,.045), 0 22px 64px rgba(0,0,0,.22);
  backdrop-filter: blur(10px);
}

.tool-business .business-actions { width: min(100%, 640px); }

footer {
  min-height: 116px;
  padding: 24px var(--stage-gutter);
  border-top: 1px solid rgba(255,255,255,.09);
  background: rgba(5,8,13,.72);
}

@media (max-width: 1100px) {
  header {
    grid-template-columns: auto auto;
    row-gap: 12px;
  }
  .business-nav {
    width: 100%;
    grid-column: 1 / -1;
    grid-row: 2;
  }
  .header-qq { grid-column: 2; grid-row: 1; justify-self: end; }
  main > :is(.domain-stage, .tool-business) { min-height: 0; }
}

@media (max-width: 860px) {
  header {
    position: relative;
    min-height: 0;
    padding: 18px 20px 14px;
  }
  main { grid-auto-rows: auto; }
  main > :is(.domain-stage, .tool-business) {
    min-height: 0;
    padding: 48px 22px;
    grid-template-columns: minmax(0, 1fr);
    gap: 38px;
    scroll-margin-top: 0;
  }
  .domain-stage .panel {
    min-height: 0;
    padding: 30px 0 0;
    border-left: 0;
    border-top: 1px solid rgba(94,242,255,.22);
  }
  .section-watermark {
    top: 34px;
    right: 14px;
    font-size: clamp(9rem, 44vw, 16rem);
  }
}

@media (max-width: 560px) {
  .page { width: 100%; padding-bottom: 70px; }
  header { padding-inline: 14px; }
  .brand { gap: 9px; font-size: .9rem; }
  .brand-icon { width: 42px; height: 42px; }
  .brand small { font-size: .75rem; letter-spacing: .04em; }
  .header-qq { display: none; }
  .business-nav {
    grid-template-columns: .65fr repeat(3, minmax(0, 1fr)) 1.35fr;
    gap: 1px;
  }
  .business-nav button,
  .business-nav button:last-child,
  .business-nav .nav-home {
    min-height: 40px;
    padding: 6px 3px;
    font-size: .75rem;
  }
  main { --business-section-gap: 1px; }
  main > :is(.domain-stage, .tool-business) {
    padding: 42px 18px;
    border-radius: 0;
  }
  .tool-business h2 { font-size: clamp(2.2rem, 11.6vw, 3.1rem); }
  footer { padding: 28px 18px; }
}

/* Design-accurate full-screen showcase: compact type, cinematic assets, no boxed console. */
:root { --stage-gutter: clamp(74px, 5.4vw, 112px); }

.page-directory {
  left: 12px;
  top: 55%;
  width: 46px;
  border-radius: 13px;
  background: rgba(5,12,19,.86);
  box-shadow: 0 14px 46px rgba(0,0,0,.42), inset 0 0 22px rgba(var(--directory-accent-rgb),.035);
  backdrop-filter: blur(14px);
}

.page-directory:hover,
.page-directory:focus-within,
.page-directory.is-dragging { width: 178px; }

header {
  min-height: 96px;
  padding: 14px var(--stage-gutter);
  grid-template-columns: minmax(300px, 390px) minmax(520px, 1fr) auto;
  gap: clamp(22px, 3vw, 58px);
  border-bottom-color: rgba(94,242,255,.32);
  background:
    radial-gradient(520px circle at 72% 0%, rgba(36,137,211,.08), transparent 68%),
    rgba(5,12,20,.91);
}

.business-nav {
  width: min(100%, 760px);
  justify-self: center;
  background: transparent;
  border: 0;
  box-shadow: none;
  backdrop-filter: none;
}

.business-nav button { min-height: 46px; font-size: .82rem; }

main > :is(.domain-stage, .tool-business) {
  min-height: clamp(650px, 70vh, 720px);
  padding: clamp(42px, 5vh, 58px) var(--stage-gutter);
  display: block;
  overflow: hidden;
  isolation: isolate;
  border-block-color: rgba(94,242,255,.23);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.025), inset 0 -84px 150px rgba(0,0,0,.12);
}

.domain-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: .22;
  background-image:
    linear-gradient(rgba(94,242,255,.11) 1px, transparent 1px),
    linear-gradient(90deg, rgba(94,242,255,.11) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(110deg, rgba(0,0,0,.12), #000 58%, transparent 100%);
}

.domain-stage::after,
.tool-business::after {
  content: "";
  position: absolute;
  inset: auto auto 0 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, currentColor 24%, var(--cyan) 58%, transparent);
  box-shadow: 0 0 22px currentColor;
  opacity: .72;
  animation: api-border-flow 5s ease-in-out infinite alternate;
}

.domain-stage { color: rgba(94,242,255,.56); }
#section-content { color: rgba(139,124,255,.62); }
.email-business { color: rgba(255,110,219,.6); }
.recharge-business { color: rgba(115,246,174,.55); }

.hero-copy,
.tool-copy {
  width: min(64vw, 1040px);
  position: relative;
  z-index: 3;
  color: var(--text);
}

.domain-stage > .hero-copy,
.tool-business > .tool-copy { z-index: 4; }

.kicker,
.tool-eyebrow {
  margin-bottom: 18px;
  font-size: .8rem;
  letter-spacing: .15em;
}

h1,
.tool-business h2 {
  max-width: none;
  margin: 0;
  color: #f4f7fb;
  font-size: clamp(3.25rem, 4vw, 4.25rem);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -.055em;
  white-space: nowrap;
  text-shadow: 0 8px 36px rgba(0,0,0,.34), 0 0 34px rgba(255,255,255,.045);
}

.headline-main,
h1 strong,
.tool-business h2 span {
  display: inline;
  margin: 0;
  padding: 0;
  font-size: 1em;
  line-height: inherit;
  letter-spacing: inherit;
}

h1 strong {
  color: transparent;
  background: linear-gradient(90deg, #dffcff 0%, var(--cyan) 38%, #8ab8ff 70%, var(--violet));
  background-size: 180% auto;
  -webkit-background-clip: text;
  background-clip: text;
}

.tool-summary {
  width: min(58vw, 900px);
  max-width: none;
  margin-top: 20px;
  font-size: .98rem;
  line-height: 1.68;
}

.tool-summary strong {
  margin-bottom: 7px;
  font-size: 1.2rem;
}

.service-tags { margin: 19px 0 16px; }

.slogan {
  max-width: 690px;
  margin-bottom: 0;
  padding-left: 0;
  border-left: 0;
  font-size: 1.08rem;
}

.slogan b { display: inline; margin-right: 14px; }
.slogan span { display: inline; }

.product-stats {
  width: min(57vw, 880px);
  margin-top: 24px;
  border-color: rgba(139,124,255,.3);
  background: linear-gradient(90deg, rgba(139,124,255,.07), rgba(94,242,255,.025));
  box-shadow: inset 0 0 28px rgba(139,124,255,.025);
}

.product-stats span { padding: 12px 10px; }

.business-actions {
  width: min(100%, 650px);
  margin-top: 24px;
  grid-template-columns: 1fr 1.14fr;
}

.detail-button,
.business-actions .tool-qq { min-height: 66px; }

.domain-action-ribbon {
  width: min(52vw, 860px);
  margin-top: 27px;
  position: relative;
  z-index: 5;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.domain-action-ribbon > .link-actions,
.domain-action-ribbon > .business-actions { display: contents; }

.domain-stage .feature-link,
.domain-stage .detail-button,
.domain-stage .business-actions .tool-qq {
  min-height: 74px;
  margin: 0;
  padding: 13px 18px;
  border-radius: 13px;
  box-shadow: inset 0 0 24px rgba(94,242,255,.035), 0 16px 38px rgba(0,0,0,.16);
}

.domain-stage .feature-link-primary {
  box-shadow: 0 14px 40px rgba(94,242,255,.2);
}

.domain-stage .feature-link b,
.domain-stage .detail-button b { font-size: 1rem; }

:is(.domain-stage, .tool-business) > .business-visual {
  width: min(44vw, 760px);
  position: absolute;
  right: clamp(18px, 2.8vw, 56px);
  top: 50%;
  z-index: 2;
  transform: translateY(-49%);
  color: var(--cyan);
  filter: none;
}

.business-visual img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  filter: drop-shadow(0 28px 60px rgba(0,0,0,.3)) saturate(1.05) contrast(1.03);
  animation: visual-float 6.5s ease-in-out infinite;
  transition: filter .3s ease, scale .35s cubic-bezier(.2,.8,.2,1);
  backface-visibility: hidden;
  will-change: transform;
}

.business-visual picture {
  width: 100%;
  display: block;
}

.domain-business-visual:hover img {
  scale: 1.025;
  filter: drop-shadow(0 28px 60px rgba(0,0,0,.3)) saturate(1.14) brightness(1.06) contrast(1.04);
}

.visual-chip,
.visual-caption {
  position: absolute;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  border: 1px solid currentColor;
  background: rgba(5,13,22,.76);
  box-shadow: inset 0 0 18px rgba(94,242,255,.045), 0 12px 34px rgba(0,0,0,.26);
  backdrop-filter: blur(12px);
}

.visual-chip {
  min-height: 36px;
  padding: 8px 13px;
  border-radius: 10px;
  color: #baf8ff;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .05em;
  animation: chip-pulse 3.4s ease-in-out infinite;
}

.visual-chip::before {
  content: "";
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 2px;
  background: currentColor;
  box-shadow: 0 0 12px currentColor;
  transform: rotate(45deg);
}

.visual-chip.chip-one { left: 5%; top: 25%; }
.visual-chip.chip-two { right: 2%; top: 36%; animation-delay: .7s; }
.visual-chip.chip-three { right: 7%; bottom: 20%; animation-delay: 1.4s; }

.visual-caption {
  right: 7%;
  bottom: 5%;
  min-height: 48px;
  padding: 11px 17px;
  gap: 18px;
  border-radius: 12px;
  color: var(--cyan);
  font-size: .82rem;
  font-weight: 800;
}

.content-business-visual { color: #9b8cff; }
.content-business-visual .visual-chip { color: #c9c4ff; }
.email-business-visual { color: #ff6edb; }
.email-business-visual .visual-chip { color: #ffb0eb; }

.section-watermark {
  top: 50%;
  right: 1.5vw;
  font-size: clamp(15rem, 25vw, 28rem);
  transform: translateY(-50%) skewX(-7deg);
  opacity: .8;
}

.recharge-business .tool-copy { width: min(48vw, 750px); }
.recharge-business h2 { font-size: clamp(3.05rem, 3.65vw, 4rem); white-space: normal; }
.recharge-business .tool-summary { width: min(46vw, 690px); }
.recharge-campaign { max-width: 580px; }
.recharge-actions { width: min(100%, 580px); }

.recharge-business > .recharge-plan-area {
  width: min(43vw, 690px);
  position: absolute;
  right: var(--stage-gutter);
  top: 50%;
  z-index: 3;
  transform: translateY(-50%);
  padding: 0;
  border-top: 0;
}

.recharge-plan-list { grid-template-columns: 1fr; gap: 11px; }

.recharge-plan-preview {
  padding: 15px 18px;
  border-color: rgba(115,246,174,.3);
  border-radius: 14px;
  background: linear-gradient(105deg, rgba(8,27,27,.94), rgba(12,25,36,.9));
  box-shadow: inset 0 0 28px rgba(115,246,174,.025), 0 18px 44px rgba(0,0,0,.18);
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

.recharge-plan-preview b { font-size: .94rem; }
.recharge-plan-preview strong { font-size: 1.45rem; }
.recharge-plan-preview p { font-size: .76rem; }

@keyframes visual-float {
  0%, 100% { transform: translate3d(0,0,0); }
  50% { transform: translate3d(0,-9px,0); }
}

@keyframes chip-pulse {
  0%, 100% { opacity: .78; box-shadow: inset 0 0 18px rgba(94,242,255,.035), 0 12px 34px rgba(0,0,0,.24); }
  50% { opacity: 1; box-shadow: inset 0 0 20px rgba(94,242,255,.075), 0 0 22px currentColor; }
}

@media (max-width: 1280px) {
  :root { --stage-gutter: clamp(58px, 4.6vw, 76px); }
  header { grid-template-columns: minmax(270px, 330px) 1fr auto; gap: 20px; }
  .business-nav { width: 100%; }
  h1,
  .tool-business h2 { font-size: clamp(2.9rem, 3.75vw, 3.65rem); }
  .hero-copy,
  .tool-copy { width: min(65vw, 850px); }
  .business-visual { width: min(45vw, 640px); right: 12px; }
  .visual-chip { font-size: .75rem; }
  .recharge-business .tool-copy { width: 49vw; }
  .recharge-plan-area { width: 42vw; }
}

@media (max-width: 1100px) {
  :root { --stage-gutter: clamp(28px, 4vw, 48px); }
  header { grid-template-columns: auto auto; }
  main > :is(.domain-stage, .tool-business) { min-height: 680px; }
  .hero-copy,
  .tool-copy { width: min(68vw, 760px); }
  .business-visual { width: min(45vw, 560px); opacity: .88; }
  .domain-action-ribbon { width: min(52vw, 720px); }
  .recharge-business .tool-copy { width: 48vw; }
  .recharge-plan-area { right: var(--stage-gutter); width: 43vw; }
}

@media (max-width: 860px) {
  :root { --stage-gutter: 22px; }
  header { padding-inline: 20px; }
  main { grid-auto-rows: auto; }
  main > :is(.domain-stage, .tool-business) {
    min-height: 0;
    padding: 46px var(--stage-gutter) 52px;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 30px;
  }
  #section-content,
  .domain-stage,
  .email-business,
  .recharge-business { grid-template-columns: minmax(0, 1fr); }
  .hero-copy,
  .tool-copy,
  .recharge-business .tool-copy { width: 100%; }
  h1,
  .tool-business h2,
  .recharge-business h2 { font-size: clamp(2.75rem, 8.3vw, 4rem); white-space: normal; }
  .headline-main,
  h1 strong,
  .tool-business h2 span { display: inline; }
  .tool-summary,
  .recharge-business .tool-summary,
  .product-stats { width: 100%; }
  .domain-action-ribbon { width: 100%; grid-template-columns: 1fr 1fr; }
  :is(.domain-stage, .tool-business) > .business-visual {
    width: min(100%, 650px);
    position: relative;
    right: auto;
    top: auto;
    justify-self: center;
    transform: none;
    order: 2;
    margin: -10px auto 0;
  }
  .visual-chip { font-size: .75rem; }
  .recharge-business > .recharge-plan-area {
    width: 100%;
    position: relative;
    right: auto;
    top: auto;
    transform: none;
    margin-top: 4px;
  }
  .recharge-plan-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .section-watermark { top: 110px; transform: skewX(-7deg); }
}

@media (max-width: 560px) {
  :root { --stage-gutter: 18px; }
  main > :is(.domain-stage, .tool-business) { padding-block: 40px 46px; gap: 24px; }
  h1 { font-size: clamp(2.05rem, 9.25vw, 2.65rem); line-height: 1.08; }
  .tool-business h2,
  .recharge-business h2 { font-size: clamp(2.18rem, 10.5vw, 3.05rem); line-height: 1.08; }
  .headline-main,
  h1 strong,
  .tool-business h2 span { display: block; }
  h1 strong { margin-top: .08em; }
  .kicker,
  .tool-eyebrow { margin-bottom: 13px; font-size: .75rem; }
  .slogan b,
  .slogan span { display: block; }
  .slogan b { margin: 0 0 4px; }
  .domain-action-ribbon { grid-template-columns: 1fr; gap: 9px; }
  .product-stats { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .business-actions { grid-template-columns: 1fr; }
  .business-visual { width: 108%; margin-inline: -4%; }
  .visual-chip { min-height: 31px; padding: 6px 9px; font-size: .75rem; }
  .visual-caption { min-height: 42px; padding: 9px 12px; font-size: .75rem; }
  .recharge-plan-list { grid-template-columns: 1fr; }
  .section-watermark { font-size: clamp(10rem, 48vw, 15rem); }
}

/* Mobile performance: keep the visual system, but never restart whole sections after a swipe. */
@media (max-width: 860px), (pointer: coarse) {
  .fx-layer { display: none; }

  .fx-enabled .hero-copy > *,
  .fx-enabled.is-ready .hero-copy > *,
  .fx-enabled .panel,
  .fx-enabled.is-ready .panel,
  .fx-enabled header.reveal .brand > span:last-child,
  .fx-enabled.is-ready header.reveal .brand > span:last-child,
  .fx-enabled header.reveal .business-nav,
  .fx-enabled.is-ready header.reveal .business-nav {
    opacity: 1;
    filter: none;
    transform: none;
    animation: none !important;
  }

  .fx-enabled .tool-business.reveal,
  .fx-enabled.is-ready .tool-business.reveal,
  .fx-enabled footer.reveal,
  .fx-enabled.is-ready footer.reveal {
    opacity: 1;
    transform: none;
    animation: none !important;
  }

  body::before,
  .orb,
  .scan-beam,
  .brand-icon::after,
  .kicker::before,
  h1 strong,
  .feature-link-primary,
  .feature-link-primary::after,
  .feature-link-query,
  .shop-prompt::before,
  .shop-prompt span:last-child,
  :is(.domain-stage, .tool-business)::after,
  .business-visual img,
  .visual-chip,
  .sound-indicator {
    animation: none !important;
  }

  .fx-enabled header.reveal .brand-icon,
  .fx-enabled.is-ready header.reveal .brand-icon {
    opacity: 1;
    transform: none;
    animation: none !important;
  }

  body::before,
  .orb,
  .business-visual img { will-change: auto; }

  header,
  .visual-chip,
  .visual-caption,
  .sound-toggle,
  .back-to-top,
  .toast {
    -webkit-backdrop-filter: none !important;
    backdrop-filter: none !important;
  }

  .business-visual img {
    filter: drop-shadow(0 14px 26px rgba(0,0,0,.26)) saturate(1.03) contrast(1.02) !important;
  }
}

/* Pointer stability: real hit targets never move away from the native cursor. */
:is(
  .business-nav button,
  .service-tags span,
  .feature-link,
  .tool-qq,
  .detail-button,
  .recharge-actions > *,
  .header-qq,
  .back-to-top,
  .sound-toggle
):is(:hover, :focus-visible) {
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition-duration: .01ms !important;
  }

  .fx-enabled .reveal,
  .fx-enabled .hero-copy > *,
  .fx-enabled .panel {
    opacity: 1 !important;
    filter: none !important;
    transform: none !important;
  }

  .scan-beam,
  .cursor-glow,
  .click-fx-layer { display: none !important; }

  .panel { transform: none !important; }

  .fx-enabled header.reveal .brand-icon,
  .fx-enabled header.reveal .brand > span:last-child,
  .fx-enabled header.reveal .business-nav {
    opacity: 1 !important;
    transform: none !important;
  }
}