:root {
  --ink: #0a1224;
  --ink-2: #17233c;
  --copy: #35415a;
  --muted: #65718a;
  --blue: #3278ee;
  --blue-strong: #155bd7;
  --blue-soft: #eaf2ff;
  --lavender: #7767ef;
  --paper: #ffffff;
  --paper-blue: #f4f7fd;
  --line: rgba(18, 38, 74, 0.12);
  --line-strong: rgba(18, 38, 74, 0.2);
  --night: #071225;
  --night-2: #0c1a32;
  --radius-sm: 14px;
  --radius-md: 22px;
  --radius-lg: 32px;
  --shadow-sm: 0 12px 30px -20px rgba(23, 56, 119, 0.35);
  --shadow-lg: 0 38px 90px -44px rgba(21, 72, 165, 0.52),
    0 20px 44px -34px rgba(9, 27, 63, 0.34);
  --max-width: 1180px;
  --font-en: "Hanken Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  --font-cjk: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-en), var(--font-cjk);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

html[lang^="zh"] body {
  font-family: var(--font-cjk), var(--font-en);
}

img,
video {
  max-width: 100%;
}

img {
  height: auto;
}

button,
input,
textarea,
select {
  font: inherit;
}

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

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

button {
  color: inherit;
}

::selection {
  color: #fff;
  background: var(--blue-strong);
}

:focus-visible {
  outline: 3px solid rgba(50, 120, 238, 0.5);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 12px;
  z-index: 1000;
  padding: 10px 14px;
  border-radius: 10px;
  color: #fff;
  background: var(--ink);
  font-weight: 700;
  transform: translateY(-150%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: none;
}

.wrap {
  width: min(100% - 48px, var(--max-width));
  margin-inline: auto;
}

.narrow {
  width: min(100% - 48px, 760px);
  margin-inline: auto;
}

.eyebrow {
  color: var(--blue-strong);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

html[lang^="zh"] .eyebrow {
  letter-spacing: 0.08em;
}

.section-head {
  max-width: 760px;
  margin-bottom: 52px;
}

.section-head.center {
  margin-inline: auto;
  text-align: center;
}

.section-head h2 {
  margin-top: 13px;
  font-size: clamp(2rem, 4.4vw, 3.9rem);
  line-height: 1.04;
  letter-spacing: -0.045em;
}

html[lang^="zh"] .section-head h2 {
  letter-spacing: -0.025em;
}

.section-head > p:last-child {
  max-width: 620px;
  margin-top: 19px;
  color: var(--copy);
  font-size: clamp(1rem, 1.7vw, 1.18rem);
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 80;
  border-bottom: 1px solid transparent;
  background: rgba(250, 252, 255, 0.7);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  backdrop-filter: blur(18px) saturate(150%);
  transition: background 0.25s ease, border-color 0.25s ease,
    box-shadow 0.25s ease;
}

.site-header.scrolled {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 12px 35px -30px rgba(8, 29, 69, 0.52);
}

.nav {
  display: flex;
  min-height: 70px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand img {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  box-shadow: 0 6px 16px -8px rgba(35, 104, 225, 0.5);
}

.nav-menu,
.nav-actions {
  display: flex;
  align-items: center;
}

.nav-menu {
  gap: 28px;
  margin-left: auto;
}

.nav-menu a {
  position: relative;
  color: var(--copy);
  font-size: 0.91rem;
  font-weight: 600;
}

.nav-menu a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 2px;
  border-radius: 999px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.22s ease;
}

.nav-menu a:hover::after,
.nav-menu a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-actions {
  gap: 9px;
}

.lang-link {
  display: inline-grid;
  min-width: 46px;
  min-height: 38px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--copy);
  background: rgba(255, 255, 255, 0.66);
  font-size: 0.8rem;
  font-weight: 800;
  transition: color 0.2s ease, border-color 0.2s ease,
    background 0.2s ease;
}

.lang-link:hover {
  color: var(--blue-strong);
  border-color: rgba(50, 120, 238, 0.34);
  background: #fff;
}

.button {
  position: relative;
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 11px;
  overflow: hidden;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.96rem;
  font-weight: 750;
  line-height: 1;
  isolation: isolate;
  transition: transform 0.22s ease, box-shadow 0.22s ease,
    border-color 0.22s ease, color 0.22s ease;
}

.button-primary {
  padding: 7px 8px 7px 20px;
  color: #fff;
  background: var(--ink);
  box-shadow: 0 16px 34px -20px rgba(3, 18, 48, 0.76);
}

.button-primary::before {
  content: "";
  position: absolute;
  inset: -45% -30%;
  z-index: -1;
  background: linear-gradient(
    108deg,
    transparent 34%,
    rgba(255, 255, 255, 0.2) 48%,
    transparent 62%
  );
  transform: translateX(-65%) rotate(2deg);
  transition: transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.button-primary:hover::before {
  transform: translateX(58%) rotate(2deg);
}

.button-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 21px 42px -19px rgba(3, 18, 48, 0.8);
}

.button-primary .button-icon {
  position: relative;
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 50%;
  color: var(--ink);
  background: #fff;
  transition: transform 0.28s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.button-primary:hover .button-icon {
  transform: translateX(2px) rotate(-7deg);
}

.arrow-flow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}

.arrow-flow svg {
  position: absolute;
  width: 15px;
  height: 15px;
  opacity: 0;
  transform: translateX(-7px);
  transition: opacity 0.2s ease, transform 0.25s ease;
}

.arrow-flow svg:first-child {
  opacity: 1;
  transform: none;
}

@media (hover: hover) {
  .button-primary:hover .arrow-flow svg,
  .button-primary:focus-visible .arrow-flow svg {
    opacity: 1;
    transform: translateX(0);
  }

  .button-primary:hover .arrow-flow svg:nth-child(1),
  .button-primary:focus-visible .arrow-flow svg:nth-child(1) {
    transform: translateX(-8px);
  }

  .button-primary:hover .arrow-flow svg:nth-child(2),
  .button-primary:focus-visible .arrow-flow svg:nth-child(2) {
    transition-delay: 65ms;
  }

  .button-primary:hover .arrow-flow svg:nth-child(3),
  .button-primary:focus-visible .arrow-flow svg:nth-child(3) {
    transform: translateX(8px);
    transition-delay: 130ms;
  }
}

.button svg {
  width: 18px;
  height: 18px;
}

.button-compact {
  min-height: 42px;
  padding: 6px 7px 6px 16px;
  font-size: 0.86rem;
}

.button-compact .button-icon {
  width: 30px;
  height: 30px;
}

.button-secondary {
  padding: 13px 18px;
  border: 1px solid var(--line-strong);
  color: var(--ink-2);
  background: rgba(255, 255, 255, 0.62);
}

.button-secondary:hover {
  color: var(--blue-strong);
  border-color: rgba(50, 120, 238, 0.4);
  transform: translateY(-2px);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--blue-strong);
  font-weight: 750;
}

.text-link svg {
  width: 17px;
  height: 17px;
  transition: transform 0.2s ease;
}

.text-link:hover svg {
  transform: translateX(3px);
}

.hero {
  position: relative;
  padding: 136px 0 72px;
  overflow: hidden;
  background:
    linear-gradient(rgba(32, 91, 185, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(32, 91, 185, 0.045) 1px, transparent 1px),
    radial-gradient(circle at 78% 5%, rgba(107, 140, 255, 0.24), transparent 28%),
    radial-gradient(circle at 13% 30%, rgba(201, 223, 255, 0.74), transparent 31%),
    linear-gradient(180deg, #f0f5ff 0%, #fbfdff 60%, #fff 100%);
  background-size: 44px 44px, 44px 44px, auto, auto, auto;
}

.hero::before {
  content: "";
  position: absolute;
  top: 120px;
  right: -120px;
  width: 460px;
  height: 460px;
  border: 1px solid rgba(78, 129, 230, 0.18);
  border-radius: 48% 52% 59% 41%;
  animation: float-shape 13s ease-in-out infinite alternate;
}

@keyframes float-shape {
  to {
    transform: translate3d(-22px, 18px, 0) rotate(8deg);
  }
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(500px, 1.1fr);
  align-items: center;
  gap: clamp(42px, 7vw, 92px);
}

.hero-copy {
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 22px;
  padding: 8px 12px 8px 9px;
  border: 1px solid rgba(38, 102, 213, 0.15);
  border-radius: 999px;
  color: var(--blue-strong);
  background: rgba(255, 255, 255, 0.72);
  font-size: 0.79rem;
  font-weight: 800;
  box-shadow: var(--shadow-sm);
}

.hero-badge img {
  width: 25px;
  height: 25px;
  border-radius: 7px;
}

.hero h1 {
  max-width: 13ch;
  font-size: clamp(3rem, 6.2vw, 5.7rem);
  line-height: 0.96;
  letter-spacing: -0.064em;
}

html[lang^="zh"] .hero h1 {
  max-width: 11ch;
  font-size: clamp(2.75rem, 5.8vw, 5.25rem);
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.hero h1 em {
  color: var(--blue-strong);
  font-style: normal;
}

.brand-slogan {
  margin-top: 20px;
  color: var(--blue-strong);
  font-size: clamp(1.04rem, 2vw, 1.32rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.hero-lede {
  max-width: 56ch;
  margin-top: 18px;
  color: var(--copy);
  font-size: clamp(1.02rem, 1.65vw, 1.18rem);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 31px;
  flex-wrap: wrap;
}

.hero-note {
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.83rem;
  font-weight: 600;
}

.product-stage {
  position: relative;
  padding: 16px;
  border: 1px solid rgba(45, 104, 208, 0.16);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.68);
  box-shadow: var(--shadow-lg);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.product-stage::before {
  content: "";
  position: absolute;
  inset: 12% 10% -12%;
  z-index: -1;
  border-radius: 40%;
  background: rgba(65, 125, 238, 0.22);
  filter: blur(48px);
}

.demo-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 1px 2px 13px;
}

.demo-tabs {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(243, 247, 254, 0.92);
}

.demo-tab {
  min-height: 34px;
  padding: 7px 12px;
  border: 0;
  border-radius: 999px;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 800;
  transition: color 0.2s ease, background 0.2s ease,
    box-shadow 0.2s ease;
}

.demo-tab[aria-selected="true"] {
  color: var(--ink);
  background: #fff;
  box-shadow: 0 5px 14px -10px rgba(8, 32, 77, 0.5);
}

.new-pill {
  padding: 6px 9px;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(120deg, var(--blue), var(--lavender));
  font-size: 0.66rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.live-demo-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.live-demo-pill > span {
  width: 7px;
  height: 7px;
  border: 2px solid rgba(255, 255, 255, 0.55);
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.55);
  animation: live-pulse 1.8s ease-out infinite;
}

@keyframes live-pulse {
  55%,
  100% {
    box-shadow: 0 0 0 7px rgba(255, 255, 255, 0);
  }
}

.ipad-shell {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1.44;
  padding: 9px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 25px;
  background: #10192a;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05),
    0 24px 45px -30px rgba(6, 21, 52, 0.82);
}

.ipad-shell::before {
  content: "";
  position: absolute;
  top: 4px;
  left: 50%;
  z-index: 3;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #26344d;
  transform: translateX(-50%);
}

.demo-panel {
  position: absolute;
  inset: 9px;
  overflow: hidden;
  border-radius: 17px;
  background: #eef2f8;
  opacity: 0;
  pointer-events: none;
  transform: scale(0.985);
  transition: opacity 0.34s ease, transform 0.34s ease;
}

.demo-panel.active {
  opacity: 1;
  pointer-events: auto;
  transform: none;
}

.demo-panel video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.video-toggle {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 8;
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  gap: 7px;
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  color: #fff;
  background: rgba(5, 16, 34, 0.78);
  box-shadow: 0 8px 24px -14px rgba(0, 0, 0, 0.72);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  font: inherit;
  font-size: 0.72rem;
  font-weight: 800;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.video-toggle:hover,
.video-toggle:focus-visible {
  background: rgba(5, 16, 34, 0.92);
  transform: translateY(-1px);
}

.video-toggle:focus-visible {
  outline: 3px solid rgba(91, 147, 255, 0.52);
  outline-offset: 2px;
}

.video-toggle-icon {
  position: relative;
  display: inline-block;
  width: 10px;
  height: 10px;
  flex: 0 0 10px;
}

.video-toggle-icon::before {
  content: "";
  position: absolute;
  top: 1px;
  left: 2px;
  width: 0;
  height: 0;
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  border-left: 7px solid currentColor;
}

.video-toggle[data-playing="true"] .video-toggle-icon::before {
  top: 1px;
  left: 1px;
  width: 8px;
  height: 8px;
  border: 0;
  border-right: 3px solid currentColor;
  border-left: 3px solid currentColor;
}

.video-fallback {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #e9eef7;
  pointer-events: none;
}

.demo-panel > .video-fallback {
  object-fit: cover;
}

.video-has-fallback {
  position: relative;
  z-index: 1;
  opacity: 0;
  background: transparent !important;
  transition: opacity 0.18s ease;
}

.video-has-fallback.video-ready {
  opacity: 1;
}

.demo-caption {
  padding: 12px 4px 2px;
  color: var(--copy);
  font-size: 0.83rem;
  font-weight: 600;
  text-align: center;
}

.proof {
  position: relative;
  z-index: 3;
  margin-top: 52px;
}

.proof-card {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 22px 50px -38px rgba(12, 45, 101, 0.5);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.stat {
  position: relative;
  padding: 24px 28px;
  text-align: center;
}

.stat + .stat::before {
  content: "";
  position: absolute;
  top: 21px;
  bottom: 21px;
  left: 0;
  width: 1px;
  background: var(--line);
}

.stat-number {
  display: block;
  color: var(--ink);
  font-size: clamp(1.75rem, 3vw, 2.55rem);
  font-weight: 850;
  letter-spacing: -0.04em;
  line-height: 1;
}

.stat-label {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.language-proof {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-top: 14px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 18px 44px -38px rgba(12, 45, 101, 0.5);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}

.language-proof strong {
  flex: 0 0 auto;
  padding-top: 7px;
  color: var(--ink);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.language-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.language-list li {
  padding: 7px 10px;
  border: 1px solid rgba(74, 123, 217, 0.16);
  border-radius: 999px;
  background: rgba(244, 248, 255, 0.96);
  color: var(--copy);
  font-size: 0.74rem;
  font-weight: 700;
  line-height: 1;
}

.proof-date {
  margin-top: 9px;
  color: var(--muted);
  font-size: 0.72rem;
  text-align: center;
}

.problem {
  padding: 118px 0;
}

.problem-card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 38px;
  overflow: hidden;
  padding: clamp(32px, 5vw, 58px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 87% 12%, rgba(93, 137, 239, 0.17), transparent 28%),
    linear-gradient(145deg, #fff, #f3f7fe);
}

.problem-side h2 {
  max-width: 13ch;
  margin-top: 13px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.problem-side > p:last-of-type {
  max-width: 45ch;
  margin-top: 17px;
  color: var(--copy);
}

.tool-chain {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-top: 25px;
  flex-wrap: wrap;
}

.tool-chip {
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: #fff;
  font-size: 0.77rem;
  font-weight: 800;
}

.tool-arrow {
  color: #9ba7bb;
  font-weight: 800;
}

.problem-divider {
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--ink);
  font-size: 0.76rem;
  font-weight: 900;
}

.all-in-one {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 25px;
}

.all-in-one img {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  box-shadow: 0 12px 26px -16px rgba(32, 96, 214, 0.55);
}

.all-in-one strong {
  display: block;
  font-size: 1.03rem;
}

.all-in-one span {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.84rem;
}

.workflow {
  position: relative;
  padding: 110px 0 128px;
  color: #fff;
  background:
    radial-gradient(circle at 15% 15%, rgba(41, 104, 224, 0.24), transparent 28%),
    radial-gradient(circle at 90% 60%, rgba(103, 91, 224, 0.2), transparent 28%),
    var(--night);
}

.workflow .eyebrow {
  color: #84b5ff;
}

.workflow .section-head > p:last-child {
  color: #aab8d0;
}

.workflow-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(460px, 1.14fr);
  align-items: start;
  gap: clamp(54px, 8vw, 108px);
}

.workflow-steps {
  padding-bottom: 12vh;
}

.workflow-step {
  position: relative;
  min-height: 55vh;
  padding: 38px 0 44px 34px;
  color: #71819c;
  transition: color 0.35s ease, opacity 0.35s ease;
}

.workflow-step::before {
  content: "";
  position: absolute;
  top: 44px;
  bottom: 0;
  left: 7px;
  width: 1px;
  background: rgba(255, 255, 255, 0.1);
}

.workflow-step::after {
  content: "";
  position: absolute;
  top: 44px;
  left: 3px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #3f4e69;
  box-shadow: 0 0 0 7px rgba(255, 255, 255, 0.025);
  transition: background 0.35s ease, box-shadow 0.35s ease,
    transform 0.35s ease;
}

.workflow-step.active {
  color: #fff;
}

.workflow-step.active::after {
  background: #72a9ff;
  box-shadow: 0 0 0 7px rgba(74, 137, 247, 0.13),
    0 0 24px rgba(72, 139, 255, 0.65);
  transform: scale(1.1);
}

.step-index {
  display: block;
  margin-bottom: 18px;
  color: #75aaff;
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.workflow-step h3 {
  max-width: 17ch;
  font-size: clamp(1.8rem, 3.3vw, 3.2rem);
  line-height: 1.05;
  letter-spacing: -0.042em;
}

.workflow-step p {
  max-width: 43ch;
  margin-top: 17px;
  color: currentColor;
  font-size: 1.02rem;
}

.workflow-step .text-link {
  margin-top: 20px;
  color: #8bb8ff;
}

.workflow-media {
  position: sticky;
  top: 105px;
  min-height: 520px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 30px;
  background: linear-gradient(145deg, #162440, #0c192f);
  box-shadow: 0 40px 100px -45px rgba(1, 8, 23, 0.92);
}

.workflow-media::before {
  content: "";
  position: absolute;
  inset: -20% 10% 35%;
  border-radius: 50%;
  background: rgba(68, 124, 238, 0.3);
  filter: blur(60px);
}

.workflow-media-layer {
  position: absolute;
  inset: 20px;
  overflow: hidden;
  border-radius: 20px;
  background: #e9eef7;
  opacity: 0;
  transform: translateY(16px) scale(0.985);
  transition: opacity 0.42s ease, transform 0.42s ease;
}

.workflow-media-layer.active {
  opacity: 1;
  transform: none;
}

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

.workflow-media-layer video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  background: #e9eef7;
}

.workflow-media-label {
  position: absolute;
  right: 16px;
  bottom: 16px;
  left: 16px;
  z-index: 3;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 14px;
  color: #fff;
  background: rgba(6, 17, 38, 0.74);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  font-size: 0.8rem;
  font-weight: 750;
}

.mobile-step-media {
  display: none;
  position: relative;
}

.difference {
  padding: 118px 0;
}

.spotlight-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.spotlight-card {
  --spot-x: 50%;
  --spot-y: 50%;
  position: relative;
  min-height: 310px;
  overflow: hidden;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(155deg, #fff, #f5f8ff);
  box-shadow: var(--shadow-sm);
  isolation: isolate;
}

.spotlight-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  z-index: -1;
  opacity: 0;
  background: radial-gradient(
    260px circle at var(--spot-x) var(--spot-y),
    rgba(71, 132, 244, 0.2),
    transparent 68%
  );
  transition: opacity 0.28s ease;
}

.spotlight-card:hover::before,
.spotlight-card:focus-within::before {
  opacity: 1;
}

.spotlight-icon {
  display: grid;
  width: 47px;
  height: 47px;
  place-items: center;
  border: 1px solid rgba(58, 119, 230, 0.17);
  border-radius: 14px;
  color: var(--blue-strong);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 14px 26px -20px rgba(18, 76, 180, 0.6);
}

.spotlight-icon svg {
  width: 23px;
  height: 23px;
}

.spotlight-card h3 {
  margin-top: 42px;
  font-size: 1.45rem;
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.spotlight-card p {
  margin-top: 12px;
  color: var(--copy);
  font-size: 0.94rem;
}

.story {
  padding: 34px 0 118px;
}

.story-card {
  position: relative;
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: clamp(36px, 7vw, 92px);
  overflow: hidden;
  padding: clamp(38px, 7vw, 76px);
  border-radius: var(--radius-lg);
  color: #fff;
  background:
    radial-gradient(circle at 10% 0%, rgba(88, 147, 255, 0.35), transparent 31%),
    linear-gradient(135deg, #0b1a35, #101f3d 65%, #0a1730);
}

.story-card::after {
  content: "B";
  position: absolute;
  right: -24px;
  bottom: -118px;
  color: rgba(255, 255, 255, 0.035);
  font-size: 29rem;
  font-weight: 900;
  line-height: 1;
}

.story-card .eyebrow {
  color: #8bb9ff;
}

.story-title h2 {
  max-width: 12ch;
  margin-top: 14px;
  font-size: clamp(2rem, 4vw, 3.65rem);
  line-height: 1.04;
  letter-spacing: -0.045em;
}

.story-copy {
  position: relative;
  z-index: 1;
}

.story-copy p {
  color: #c2cee1;
  font-size: clamp(1rem, 1.55vw, 1.13rem);
  line-height: 1.75;
}

.story-links {
  display: flex;
  gap: 20px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.story-links a {
  color: #8bb9ff;
  font-weight: 750;
}

.story-links a:hover {
  color: #fff;
}

.faq {
  padding: 112px 0;
  border-top: 1px solid var(--line);
  background: var(--paper-blue);
}

.faq-list {
  margin-top: 46px;
}

.faq details {
  border-top: 1px solid var(--line-strong);
}

.faq details:last-child {
  border-bottom: 1px solid var(--line-strong);
}

.faq summary {
  position: relative;
  padding: 24px 50px 24px 0;
  cursor: pointer;
  list-style: none;
  font-size: 1.07rem;
  font-weight: 800;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 4px;
  color: var(--blue-strong);
  font-size: 1.6rem;
  font-weight: 500;
  transform: translateY(-50%);
  transition: transform 0.22s ease;
}

.faq details[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
}

.faq details p {
  max-width: 68ch;
  padding: 0 44px 24px 0;
  color: var(--copy);
}

.final-cta {
  padding: 112px 0 118px;
  text-align: center;
}

.final-cta h2 {
  max-width: 16ch;
  margin: 13px auto 24px;
  font-size: clamp(2.55rem, 5.6vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

html[lang^="zh"] .final-cta h2 {
  letter-spacing: -0.035em;
}

.final-cta p {
  max-width: 48ch;
  margin: 0 auto;
  color: var(--copy);
  font-size: 1.05rem;
}

.final-cta .button {
  margin-top: 30px;
}

.site-footer {
  padding: 48px 0;
  border-top: 1px solid var(--line);
  background: #fbfcff;
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--copy);
  font-size: 0.86rem;
  font-weight: 650;
}

.footer-links a:hover {
  color: var(--blue-strong);
}

.footer-copy {
  margin-top: 20px;
  color: var(--muted);
  font-size: 0.78rem;
}

/* Focused PDF translation landing page */
.feature-hero {
  position: relative;
  padding: 142px 0 92px;
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 16%, rgba(83, 131, 240, 0.26), transparent 28%),
    linear-gradient(180deg, #eef4ff, #fff);
}

.feature-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.83fr) minmax(520px, 1.17fr);
  align-items: center;
  gap: clamp(46px, 7vw, 86px);
}

.feature-hero h1 {
  max-width: 12ch;
  margin-top: 18px;
  font-size: clamp(3.1rem, 6.1vw, 5.75rem);
  line-height: 0.96;
  letter-spacing: -0.06em;
}

.feature-hero h1 em {
  color: var(--blue-strong);
  font-style: normal;
}

html[lang^="zh"] .feature-hero h1 {
  max-width: 11ch;
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.feature-hero .hero-lede {
  margin-top: 22px;
}

.feature-hero .product-stage {
  transform: rotate(0.7deg);
}

.benefit-strip {
  padding: 46px 0;
  border-block: 1px solid var(--line);
  background: #fbfcff;
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}

.benefit-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
}

.benefit-number {
  color: var(--blue-strong);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.benefit-item h2,
.benefit-item h3 {
  font-size: 1.02rem;
  line-height: 1.25;
}

.benefit-item p {
  margin-top: 7px;
  color: var(--muted);
  font-size: 0.87rem;
}

.explain {
  padding: 120px 0;
}

.explain-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  align-items: center;
  gap: clamp(48px, 8vw, 104px);
  padding: 64px 0;
}

.explain-row + .explain-row {
  border-top: 1px solid var(--line);
}

.explain-row:nth-child(even) .explain-visual {
  order: 2;
}

.explain-copy .step-index {
  color: var(--blue-strong);
}

.explain-copy h2 {
  max-width: 15ch;
  font-size: clamp(2rem, 4vw, 3.55rem);
  line-height: 1.05;
  letter-spacing: -0.042em;
}

.explain-copy p {
  max-width: 48ch;
  margin-top: 17px;
  color: var(--copy);
}

.explain-visual {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #eef3fa;
  box-shadow: var(--shadow-lg);
}

.explain-visual img,
.explain-visual video {
  width: 100%;
  display: block;
}

.comparison {
  padding: 118px 0;
  color: #fff;
  background: var(--night);
}

.comparison .section-head > p:last-child {
  color: #aebbd1;
}

.comparison-table {
  display: grid;
  grid-template-columns: 0.8fr 1fr 1fr;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 24px;
}

.comparison-cell {
  min-height: 74px;
  padding: 22px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  color: #aab8ce;
}

.comparison-cell:not(:nth-child(3n + 1)) {
  border-left: 1px solid rgba(255, 255, 255, 0.09);
}

.comparison-cell:nth-last-child(-n + 3) {
  border-bottom: 0;
}

.comparison-cell.head {
  min-height: auto;
  color: #fff;
  background: rgba(255, 255, 255, 0.04);
  font-weight: 850;
}

.comparison-cell.label {
  color: #fff;
  font-weight: 750;
}

.comparison-cell.good {
  color: #dce9ff;
  background: rgba(47, 111, 230, 0.09);
}

.breadcrumb {
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.breadcrumb a:hover {
  color: var(--blue-strong);
}

.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.2, 0.7, 0.2, 1),
    transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.js .reveal.in {
  opacity: 1;
  transform: none;
}

@media (max-width: 1030px) {
  .hero-grid,
  .feature-hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy,
  .feature-hero-copy {
    max-width: 760px;
    text-align: center;
    margin-inline: auto;
  }

  .hero h1,
  html[lang^="zh"] .hero h1,
  .feature-hero h1,
  html[lang^="zh"] .feature-hero h1 {
    margin-inline: auto;
  }

  .hero-lede {
    margin-inline: auto;
  }

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

  .product-stage {
    width: min(100%, 760px);
    margin-inline: auto;
  }

  .workflow-grid {
    grid-template-columns: minmax(0, 0.8fr) minmax(390px, 1.2fr);
    gap: 48px;
  }

  .workflow-media {
    min-height: 440px;
  }
}

@media (max-width: 860px) {
  .nav-menu {
    display: none;
  }

  .workflow-grid {
    display: block;
  }

  .workflow-media {
    display: none;
  }

  .workflow-steps {
    padding-bottom: 0;
  }

  .workflow-step {
    min-height: 0;
    padding-block: 30px 34px;
    color: #c0cce0;
  }

  .mobile-step-media {
    display: block;
    overflow: hidden;
    aspect-ratio: 1.35;
    margin-top: 26px;
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: 19px;
    background: #e9eef7;
  }

  .mobile-step-media img,
  .mobile-step-media video {
    width: 100%;
    height: 100%;
    display: block;
  }

  .mobile-step-media img {
    object-fit: cover;
  }

  .mobile-step-media video {
    object-fit: contain;
    background: #e9eef7;
  }

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

  .spotlight-card {
    min-height: 240px;
  }

  .problem-card {
    grid-template-columns: 1fr;
  }

  .problem-divider {
    width: auto;
    height: 34px;
    border-radius: 999px;
  }

  .story-card {
    grid-template-columns: 1fr;
  }

  .story-title h2 {
    max-width: 17ch;
  }

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

  .explain-row {
    grid-template-columns: 1fr;
    padding: 46px 0;
  }

  .explain-row:nth-child(even) .explain-visual {
    order: 0;
  }
}

@media (max-width: 680px) {
  .wrap,
  .narrow {
    width: min(100% - 32px, var(--max-width));
  }

  .nav {
    min-height: 64px;
  }

  .brand {
    font-size: 0.96rem;
  }

  .brand img {
    width: 29px;
    height: 29px;
  }

  .nav-actions {
    gap: 6px;
  }

  .nav-actions .button {
    width: 42px;
    min-height: 42px;
    padding: 6px;
  }

  .nav-actions .button-text {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .nav-actions .button-icon {
    width: 30px;
    height: 30px;
  }

  .lang-link {
    min-width: 42px;
    min-height: 36px;
  }

  .hero,
  .feature-hero {
    padding-top: 112px;
  }

  .hero {
    padding-bottom: 58px;
  }

  .hero h1 {
    font-size: clamp(2.8rem, 14vw, 4.3rem);
  }

  html[lang^="zh"] .hero h1 {
    font-size: clamp(2.6rem, 13vw, 4rem);
  }

  .feature-hero h1 {
    font-size: clamp(2.75rem, 13vw, 4.2rem);
  }

  .hero-actions {
    align-items: stretch;
  }

  .hero-actions .button {
    width: 100%;
  }

  .product-stage {
    padding: 10px;
    border-radius: 23px;
  }

  .demo-bar {
    align-items: flex-start;
  }

  .demo-tabs {
    max-width: calc(100% - 54px);
    overflow-x: auto;
  }

  .demo-tab {
    flex: 0 0 auto;
  }

  .ipad-shell {
    padding: 6px;
    border-radius: 18px;
  }

  .demo-panel {
    inset: 6px;
    border-radius: 12px;
  }

  .proof {
    margin-top: 34px;
  }

  .proof-card {
    grid-template-columns: 1fr;
  }

  .stat {
    padding: 19px 20px;
  }

  .stat + .stat::before {
    top: 0;
    right: 20px;
    bottom: auto;
    left: 20px;
    width: auto;
    height: 1px;
  }

  .language-proof {
    flex-direction: column;
    gap: 11px;
    padding: 16px;
  }

  .language-proof strong {
    padding-top: 0;
  }

  .problem,
  .difference,
  .faq,
  .final-cta,
  .explain,
  .comparison {
    padding-block: 84px;
  }

  .workflow {
    padding-block: 84px;
  }

  .section-head {
    margin-bottom: 36px;
  }

  .workflow-step {
    padding-left: 29px;
  }

  .mobile-step-media {
    aspect-ratio: 1.15;
  }

  .workflow-step h3 {
    font-size: 1.8rem;
  }

  .spotlight-card {
    padding: 26px;
  }

  .story {
    padding-bottom: 84px;
  }

  .story-card {
    padding: 34px 26px;
  }

  .footer-top {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-links {
    gap: 16px 20px;
  }

  .comparison-table {
    grid-template-columns: 0.85fr 1fr 1fr;
    font-size: 0.8rem;
  }

  .comparison-cell {
    min-height: 82px;
    padding: 15px 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-contrast: more) {
  :root {
    --copy: #17233c;
    --muted: #3f4c64;
    --line: rgba(6, 20, 46, 0.28);
    --line-strong: rgba(6, 20, 46, 0.42);
  }
}