:root {
  --ink: #131212;
  --ink-2: #222733;
  --panel: #ffffff;
  --panel-2: #f1f5fb;
  --paper: #f7f8fa;
  --paper-2: #ffffff;
  --text: #131212;
  --muted: #5f6673;
  --line: rgba(24, 38, 63, 0.1);
  --line-dark: rgba(24, 38, 63, 0.16);
  --brand: #134cff;
  --brand-2: #12c8e8;
  --violet: #8a5cff;
  --green: #08a978;
  --amber: #c78212;
  --red: #e13b3b;
  --shadow: 0 24px 70px rgba(17, 24, 39, 0.12);
  --max: 1180px;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--paper);
  font-family:
    "MiSans",
    "PingFang SC",
    "PingFang HK",
    "Helvetica Neue",
    Helvetica,
    "Microsoft YaHei",
    "Noto Sans CJK SC",
    Arial,
    sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
  font-weight: 500;
  letter-spacing: normal;
  text-wrap: balance;
}

button {
  font-family: inherit;
}

button,
strong {
  font-weight: 500;
}

body.menu-open {
  overflow: hidden;
}

img,
svg {
  display: block;
}

img {
  max-width: 100%;
}

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

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

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  width: 100%;
  height: 64px;
  margin: 0;
  padding: 0 max(40px, calc((100vw - var(--max)) / 2));
  color: var(--text);
  background: rgba(247, 248, 250, 0.86);
  border: 0;
  border-radius: 0;
  box-shadow: none;
  backdrop-filter: blur(18px);
  transition:
    background 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(247, 248, 250, 0.94);
  box-shadow: 0 1px 0 rgba(24, 38, 63, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
  font-weight: 600;
  font-size: 17px;
  letter-spacing: normal;
}

.brand img {
  width: 30px;
  height: 30px;
  object-fit: contain;
  border-radius: 7px;
}

.desktop-nav {
  display: flex;
  justify-content: center;
  gap: 24px;
  color: rgba(19, 18, 18, 0.88);
  font-size: 14px;
  white-space: nowrap;
}

.desktop-nav a,
.mobile-nav a {
  transition:
    color 160ms ease,
    transform 160ms ease;
}

.desktop-nav a:hover,
.desktop-nav a:focus-visible {
  color: var(--brand);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 17px;
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  background: #111;
  border-radius: 8px;
  box-shadow: none;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  color: var(--text);
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.menu-toggle:focus-visible,
.mobile-nav a:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 0 auto 5px;
  background: currentColor;
  border-radius: 2px;
  transition:
    transform 180ms ease,
    opacity 180ms ease;
}

.menu-toggle span:last-child {
  margin-bottom: 0;
}

.menu-open .menu-toggle span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.menu-open .menu-toggle span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

.menu-backdrop {
  position: fixed;
  inset: 64px 0 0;
  z-index: 18;
  display: none;
  background: rgba(19, 18, 18, 0.22);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.menu-open .menu-backdrop {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mobile-nav {
  position: fixed;
  inset: 72px 12px auto 12px;
  z-index: 19;
  display: none;
  max-height: calc(100vh - 88px);
  max-height: calc(100dvh - 88px);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 12px;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 12px 32px rgba(17, 24, 39, 0.12);
  transform: translateY(-8px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

.mobile-nav.is-open {
  visibility: visible;
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
  padding: 10px 14px;
  color: var(--text);
  background: #f5f7fa;
  border-radius: 8px;
  font-size: 14px;
}

.mobile-nav a:hover,
.mobile-nav a:focus-visible,
.mobile-nav a:active {
  color: var(--brand);
  background: rgba(19, 76, 255, 0.06);
}

.mobile-nav-links,
.mobile-nav-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.mobile-nav-actions {
  gap: 8px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.mobile-nav-actions a {
  justify-content: center;
  gap: 12px;
}

.mobile-nav-actions .mobile-nav-cta {
  color: #fff;
  background: #111;
}

.mobile-nav-actions .mobile-nav-cta:hover,
.mobile-nav-actions .mobile-nav-cta:focus-visible,
.mobile-nav-actions .mobile-nav-cta:active {
  color: #fff;
  background: #303030;
}

.hero {
  position: relative;
  min-height: 92svh;
  display: flex;
  align-items: center;
  padding: 118px 0 76px;
  color: var(--text);
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 29%, rgba(138, 92, 255, 0.18), transparent 25%),
    radial-gradient(circle at 69% 40%, rgba(18, 200, 232, 0.16), transparent 28%),
    linear-gradient(180deg, #f7f8fa 0%, #f7f8fa 64%, #f0f5fb 100%);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 64px;
  background: linear-gradient(180deg, rgba(247, 248, 250, 0), var(--paper));
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(24, 38, 63, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24, 38, 63, 0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 50% 26%, #000 0%, transparent 58%);
}

.hero-shell,
.hero-content {
  position: relative;
  z-index: 2;
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
}

.hero-shell {
  display: block;
}

.hero-content {
  width: min(100%, 820px);
  margin: 0;
  text-align: center;
  margin-inline: auto;
}

.hero h1 {
  max-width: 860px;
  margin: 0;
  font-size: clamp(36px, 4vw, 48px);
  line-height: 1.25;
  font-weight: 500;
  color: var(--text);
  text-shadow: none;
}

.hero-copy {
  max-width: 580px;
  margin: 24px auto 0;
  color: rgba(19, 18, 18, 0.68);
  font-size: clamp(15px, 1.4vw, 18px);
  line-height: 1.75;
}

.hero-actions,
.trial-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

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

.hero-product-row {
  display: grid;
  grid-template-columns: 1.06fr 1fr 1fr;
  gap: 20px;
  margin-top: 76px;
}

.hero-product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 280px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(24, 38, 63, 0.08);
  border-radius: 8px;
  box-shadow: 0 12px 36px rgba(24, 38, 63, 0.04);
  overflow: hidden;
}

.hero-product-card::after {
  content: "";
  position: absolute;
  inset: auto 24px 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(19, 76, 255, 0.36), transparent);
}

.hero-product-card-primary {
  color: #fff;
  background:
    radial-gradient(circle at 84% 18%, rgba(255, 255, 255, 0.32), transparent 26%),
    linear-gradient(135deg, #0f7cff 0%, #10c6e9 100%);
}

.hero-product-card h2 {
  margin: 18px 0 0;
  font-size: 24px;
  line-height: 1.3334;
  font-weight: 600;
}

.hero-product-card p {
  margin: 12px 0 20px;
  color: rgba(19, 18, 18, 0.68);
  font-size: 15px;
  line-height: 1.75;
}

.hero-product-card-primary p {
  margin-top: 12px;
  max-width: 360px;
  color: rgba(255, 255, 255, 0.88);
}

.hero-card-art {
  width: 100%;
  max-width: 440px;
  height: auto;
  aspect-ratio: 12 / 5;
  margin-top: auto;
  align-self: center;
  object-fit: contain;
  background: #f1f7ff;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(24, 38, 63, 0.05);
}

.hero-card-icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  color: #fff;
  background: #2c2f36;
  border-radius: 50%;
}

.hero-card-icon svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 46px;
  padding: 0 22px;
  font-size: 16px;
  line-height: 1.5;
  font-weight: 500;
  font-family: inherit;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    border-color 160ms ease,
    background 160ms ease;
}

.button svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

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

.button-primary {
  color: #fff;
  background: #111;
  box-shadow: 0 18px 38px rgba(17, 17, 17, 0.14);
}

.button-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.88);
  border-color: rgba(24, 38, 63, 0.16);
}

.trial-section .button-secondary {
  color: #fff;
  background: transparent;
  border-color: rgba(255, 255, 255, 0.78);
}

.section {
  position: relative;
  padding: 104px 0;
}

.section-inner,
.trial-inner {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
}

.two-column {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: 54px;
  align-items: start;
}

.section-heading {
  max-width: 700px;
}

.section-heading.centered {
  margin: 0 auto;
  text-align: center;
}

.section-number {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--brand);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
}

.section h2,
.trial-section h2 {
  margin: 0;
  color: inherit;
  font-size: clamp(28px, 3.4vw, 40px);
  line-height: 1.3;
  font-weight: 500;
}

.section-heading p,
.product-copy p,
.safety-card p,
.trial-section p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.video-section {
  background: var(--paper-2);
}

.product-video {
  position: relative;
  width: 100%;
  margin: 36px auto 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 20px;
}

.product-video video {
  display: block;
  width: 100%;
  height: 100%;
}

.video-play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: clamp(16px, 4vw, 48px);
  padding-bottom: calc(clamp(16px, 4vw, 48px) - 8px);
  border: 0;
  color: #fff;
  background: linear-gradient(transparent 55%, rgba(14, 23, 41, 0.5));
  cursor: pointer;
}

.video-play[hidden] {
  display: none;
}

.video-play-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--brand);
  font-size: clamp(14px, 2vw, 16px);
}

.video-play-label svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.video-play-label > span {
  font-size: 13px;
  opacity: 0.8;
}

.video-play:hover .video-play-label {
  background: #0d3ed6;
}

.video-play:focus-visible {
  outline: 3px solid var(--brand);
  outline-offset: -6px;
}

.video-status {
  margin: 16px 0 0;
  color: var(--muted);
  text-align: center;
}

.video-status:empty {
  display: none;
}

.pain-section,
.control-section,
.compare-section {
  background: var(--paper);
}

.pain-section {
  padding-top: 72px;
}

.pain-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.pain-item {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 82px;
  padding: 16px;
  background: var(--paper-2);
  border: 1px solid rgba(47, 125, 246, 0.12);
  border-radius: 8px;
  box-shadow: 0 6px 22px rgba(11, 38, 74, 0.03);
}

.pain-item strong {
  font-size: 16px;
}

.icon-box {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  color: var(--brand);
  background: rgba(47, 125, 246, 0.1);
  border-radius: 8px;
}

.icon-box svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.accent-green {
  color: var(--green);
  background: rgba(8, 169, 120, 0.11);
}

.accent-amber {
  color: var(--amber);
  background: rgba(199, 130, 18, 0.12);
}

.accent-red {
  color: var(--red);
  background: rgba(225, 59, 59, 0.11);
}

.workflow-section,
.product-section,
.safety-section {
  color: #fff;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 36%),
    linear-gradient(135deg, var(--ink), var(--ink-2));
}

.workflow-section .section-heading p,
.product-copy p,
.safety-card p {
  color: rgba(255, 255, 255, 0.72);
}

.workflow-section .section-number,
.product-section .section-number,
.safety-section .section-number {
  color: var(--brand-2);
}

.pipeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1px;
  margin-top: 48px;
  border: 1px solid var(--line-dark);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.24);
}

.pipeline::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(22, 199, 232, 0.18), transparent);
  transform: translateX(-100%);
  animation: scanLine 7s ease-in-out infinite;
}

@keyframes scanLine {
  0%,
  28% {
    transform: translateX(-100%);
  }
  68%,
  100% {
    transform: translateX(100%);
  }
}

.pipeline-step {
  position: relative;
  min-height: 185px;
  padding: 24px 18px;
  background: rgba(255, 255, 255, 0.055);
}

.pipeline-step span {
  color: var(--brand-2);
  font-size: 13px;
  font-weight: 500;
}

.pipeline-step strong {
  display: block;
  margin-top: 14px;
  font-size: 18px;
}

.pipeline-step p {
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.66);
  font-size: 14px;
}

.command-panel {
  max-width: 820px;
  margin: 34px auto 0;
  padding: 18px;
  background: rgba(5, 13, 27, 0.72);
  border: 1px solid rgba(115, 172, 255, 0.24);
  border-radius: 8px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.035);
}

.panel-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 14px;
  color: rgba(255, 255, 255, 0.55);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.panel-header span {
  width: 9px;
  height: 9px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
}

.panel-header span:nth-child(1) {
  background: var(--red);
}

.panel-header span:nth-child(2) {
  background: var(--amber);
}

.panel-header span:nth-child(3) {
  background: var(--green);
}

.panel-header strong {
  margin-left: 8px;
  font-size: 13px;
}

.trace-line {
  display: grid;
  grid-template-columns: 128px 1fr;
  gap: 16px;
  padding: 13px 0;
  color: rgba(255, 255, 255, 0.84);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.trace-line:last-child {
  border-bottom: 0;
}

.trace-line span {
  color: var(--brand-2);
  font-family: inherit;
  font-size: 13px;
}

.trace-line.active strong::after {
  content: "";
  display: inline-block;
  width: 8px;
  height: 1em;
  margin-left: 7px;
  vertical-align: -2px;
  background: var(--brand-2);
  animation: caretBlink 1s steps(1) infinite;
}

@keyframes caretBlink {
  50% {
    opacity: 0;
  }
}

.control-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 42px;
}

.control-card {
  position: relative;
  min-height: 210px;
  padding: 28px;
  background: #fff;
  border: 1px solid rgba(47, 125, 246, 0.12);
  border-radius: 8px;
  box-shadow: 0 6px 22px rgba(11, 38, 74, 0.03);
  overflow: hidden;
}

.control-card::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: rgba(19, 76, 255, 0.18);
}

.card-index {
  color: var(--brand);
  font-size: 13px;
  font-weight: 500;
}

.control-card h3 {
  margin: 18px 0 12px;
  font-size: 22px;
  line-height: 1.4;
  font-weight: 600;
}

.control-card p {
  margin: 0;
  color: var(--muted);
}

.product-layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.65fr) minmax(0, 1.35fr);
  gap: 40px;
  align-items: center;
}

.tab-controls {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: 100%;
  gap: 6px;
  margin-top: 30px;
  padding: 6px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.tab-button {
  min-width: 0;
  min-height: 38px;
  padding: 0 14px;
  white-space: nowrap;
  color: rgba(255, 255, 255, 0.72);
  font: inherit;
  font-size: 14px;
  font-weight: 500;
  background: transparent;
  border: 0;
  border-radius: 6px;
  cursor: pointer;
}

.tab-button.is-active {
  color: #fff;
  background: var(--brand);
}

.product-points {
  display: grid;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.product-points li {
  position: relative;
  padding-left: 22px;
  color: rgba(255, 255, 255, 0.74);
}

.product-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 8px;
  height: 8px;
  background: var(--brand-2);
  border-radius: 50%;
}

.screenshot-stage {
  position: relative;
  display: grid;
  min-width: 0;
  min-height: 660px;
}

.shot {
  grid-area: 1 / 1;
  margin: 0;
  display: grid;
  align-content: start;
  gap: 14px;
  opacity: 0;
  visibility: hidden;
  align-self: center;
  transform: translateY(18px);
  pointer-events: none;
  transition:
    opacity 220ms ease,
    transform 220ms ease;
}

.shot.is-active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.shot img {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: 560px;
  margin-inline: auto;
  object-fit: contain;
  object-position: top center;
  background: #f4f7fb;
  border: 1px solid rgba(115, 172, 255, 0.26);
  border-radius: 8px;
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.35);
}

.shot-link {
  display: block;
  min-width: 0;
  border-radius: 8px;
  cursor: zoom-in;
}

.shot-link:focus-visible {
  outline: 3px solid var(--brand-2);
  outline-offset: 5px;
}

.shot-single {
  width: min(100%, 310px);
  justify-self: center;
}

.shot .shot-single img {
  height: auto;
  max-height: none;
}

.shot-wide {
  align-self: center;
}

.shot figcaption {
  color: rgba(255, 255, 255, 0.66);
  font-size: 14px;
  text-align: center;
}

.shot-preview {
  position: fixed;
  inset: 0;
  width: 100%;
  max-width: none;
  height: 100dvh;
  max-height: none;
  margin: 0;
  padding: 16px;
  border: 0;
  color: #fff;
  background: #101c30;
}

.shot-preview[open] {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 16px;
}

body.shot-preview-open {
  overflow: hidden;
}

.shot-preview-header,
.shot-preview-controls {
  display: flex;
  align-items: center;
  gap: 16px;
}

.shot-preview-header {
  justify-content: space-between;
}

.shot-preview-header p {
  margin: 0;
}

.shot-preview-controls {
  justify-content: center;
}

.shot-preview-image {
  min-height: 0;
  min-width: 0;
}

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

.shot-preview-button {
  flex-shrink: 0;
  padding: 10px 18px;
  border: 1px solid rgba(115, 172, 255, 0.4);
  border-radius: 8px;
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
}

.shot-preview-button:hover {
  background: rgba(255, 255, 255, 0.16);
}

.shot-preview-button:focus-visible {
  outline: 3px solid var(--brand-2);
  outline-offset: 3px;
}

.compare-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 42px;
}

.compare-column {
  min-height: 205px;
  padding: 26px;
  border-radius: 8px;
  border: 1px solid rgba(47, 125, 246, 0.14);
  background: #fff;
}

.compare-column h3 {
  margin: 0 0 16px;
  font-size: 24px;
  font-weight: 500;
}

.compare-column p {
  margin: 0;
  color: var(--muted);
}

.compare-column.featured {
  color: #fff;
  background: #1683ff;
  border-color: transparent;
  box-shadow: 0 28px 80px rgba(22, 131, 255, 0.24);
}

.compare-column.featured p {
  color: rgba(255, 255, 255, 0.84);
}

.safety-layout {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 40px;
  align-items: stretch;
}

.safety-card,
.safety-rules {
  padding: 30px;
  border: 1px solid var(--line-dark);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.055);
}

.safety-rules {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.safety-rules h3 {
  margin: 0 0 16px;
  font-size: 21px;
  font-weight: 500;
}

.safety-rules ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: rgba(255, 255, 255, 0.72);
}

.safety-rules li {
  position: relative;
  padding-left: 20px;
}

.safety-rules li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 8px;
  height: 2px;
  background: var(--brand-2);
}

.trial-section {
  padding: 96px 0;
  color: #fff;
  background: #1683ff;
}

.trial-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 48px;
  align-items: center;
}

.trial-wechat {
  width: 260px;
  max-width: 100%;
  margin: 0;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 18px 42px rgba(0, 53, 132, 0.16);
  text-align: center;
}

.trial-wechat img {
  display: block;
  width: 100%;
  height: auto;
}

.trial-wechat figcaption {
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.trial-inner p {
  max-width: 740px;
  color: rgba(255, 255, 255, 0.82);
}

.trial-actions {
  margin: 28px 0 0;
}

.copy-status {
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
}

.trial-section .button-primary {
  background: #fff;
  color: var(--brand);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.18);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  padding: 30px max(16px, calc((100vw - var(--max)) / 2));
  color: rgba(255, 255, 255, 0.62);
  background: #050b16;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 14px;
}

.site-footer p {
  margin: 0;
}

.footer-info,
.footer-contact {
  display: grid;
  align-content: start;
  gap: 8px;
}

.footer-contact h2 {
  margin: 0;
  color: #fff;
  font-size: 16px;
}

.footer-contact a {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 520ms ease,
    transform 520ms ease;
}

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

@media (min-width: 981px) and (max-width: 1250px) {
  .site-header {
    gap: 18px;
    padding: 0 30px;
  }

  .desktop-nav {
    gap: 18px;
    font-size: 13px;
  }
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
    gap: 14px;
  }

  .desktop-nav,
  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: block;
    justify-self: end;
  }

  .mobile-nav,
  .menu-backdrop {
    display: block;
  }

  .hero {
    min-height: auto;
    background:
      radial-gradient(circle at 75% 14%, rgba(22, 131, 255, 0.16), transparent 34%),
      linear-gradient(180deg, #eef7ff 0%, #f7fbff 60%, var(--paper) 100%);
  }

  .hero-grid {
    mask-image: linear-gradient(180deg, #000 0%, transparent 78%);
  }

  .hero-shell {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .hero-product-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-product-card-primary {
    grid-column: 1 / -1;
  }

  .two-column,
  .product-layout,
  .safety-layout,
  .trial-inner {
    grid-template-columns: 1fr;
  }

  .trial-wechat {
    justify-self: center;
  }

  .pipeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .control-grid,
  .compare-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .site-header {
    width: 100%;
    height: 64px;
    padding: 0 20px;
  }

  .brand span {
    font-size: 16px;
  }

  .brand img {
    width: 30px;
    height: 30px;
  }

  .hero {
    padding: 104px 0 52px;
  }

  .hero h1 {
    font-size: clamp(32px, 8.5vw, 40px);
  }

  .hero-copy {
    max-width: 22em;
    font-size: 15px;
  }

  .hero-actions,
  .trial-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .hero-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-product-row {
    grid-template-columns: minmax(0, 1fr);
    margin-top: 44px;
    gap: 14px;
  }

  .hero-product-card {
    min-height: auto;
    padding: 24px;
  }

  .hero-product-card p {
    margin-top: 16px;
  }

  .hero-product-card h2 {
    font-size: 22px;
  }

  .button {
    width: 100%;
  }

  .hero-visual img {
    width: 100%;
    max-width: 100%;
    margin-left: 0;
  }

  .section {
    padding: 74px 0;
  }

  .pain-list,
  .pipeline,
  .control-grid,
  .compare-grid,
  .safety-rules {
    grid-template-columns: 1fr;
  }

  .pipeline-step {
    min-height: auto;
  }

  .trace-line {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .tab-button {
    padding: 0 4px;
  }

  .shot img {
    max-height: 440px;
  }

  .screenshot-stage {
    min-height: 0;
  }

  .shot {
    display: none;
  }

  .shot.is-active {
    display: grid;
  }

  .shot-single {
    width: min(100%, 220px);
  }

  .site-footer {
    display: grid;
  }
}

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