*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  color-scheme: light;
  --bg: #fff;
  --surface: #f7f7f8;
  --ink: #17191c;
  --muted: #60646e;
  --line: #e5e5e9;
  --accent: #e82e26;
  --accent-hover: #c91e17;
  --tint: #fff3f1;
  scroll-padding-top: 100px;
}
html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #101113;
  --surface: #191a1d;
  --ink: #f4f4f5;
  --muted: #b3b5bc;
  --line: #34363d;
  --accent: #ff493e;
  --accent-hover: #ed3027;
  --tint: #2b1919;
}
@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #101113;
    --surface: #191a1d;
    --ink: #f4f4f5;
    --muted: #b3b5bc;
    --line: #34363d;
    --accent: #ff493e;
    --accent-hover: #ed3027;
    --tint: #2b1919;
  }
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  cursor: pointer;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 5px;
}
h1,
h2,
h3,
p {
  margin: 0;
}
h1,
h2,
h3 {
  line-height: 1.25;
  letter-spacing: -0.025em;
}
p {
  color: var(--muted);
}
[hidden] {
  display: none !important;
}
.container,
.header-inner {
  width: min(1160px, calc(100% - 64px));
  margin: auto;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}
.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  gap: 40px;
}
.wordmark {
  display: inline-flex;
  align-items: center;
  color: var(--ink);
  font-size: 23px;
  font-weight: 800;
  letter-spacing: -0.8px;
  white-space: nowrap;
}
.wordmark > span:last-child {
  color: var(--accent);
}
.brand-mark {
  height: 20px;
  width: 27px;
  position: relative;
  margin-right: 10px;
}
.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  top: 1px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--ink);
}
.brand-mark::after {
  left: 9px;
  background: var(--accent);
  opacity: 0.9;
}
.site-header nav {
  display: flex;
  gap: 26px;
  font-size: 14px;
}
.site-header nav a {
  color: var(--muted);
}
.site-header nav a[aria-current],
.site-header nav a:hover {
  color: var(--ink);
}
.header-tools {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
}
.theme-toggle {
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink);
  background: var(--bg);
  font-size: 20px;
  display: grid;
  place-items: center;
}
.header-contact {
  border: 1px solid var(--line);
  padding: 6px 16px;
  border-radius: 10px;
}
.hero {
  padding: 70px 0 66px;
  max-width: 850px;
}
.eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  display: flex;
  align-items: center;
  gap: 9px;
}
.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}
.hero h1 {
  font-size: clamp(38px, 4.7vw, 64px);
  margin: 20px 0 18px;
  font-weight: 800;
}
.lead {
  color: var(--ink);
  font-size: clamp(20px, 2vw, 27px);
  font-weight: 500;
}
.intro {
  max-width: 580px;
  margin: 17px 0 28px;
  line-height: 1.85;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}
.button {
  min-height: 48px;
  border-radius: 12px;
  display: inline-flex;
  gap: 28px;
  justify-content: center;
  align-items: center;
  font-size: 15px;
  font-weight: 700;
  padding: 10px 24px;
  transition: background 0.15s;
}
.primary {
  background: #e82e26;
  color: white;
  box-shadow: 0 7px 20px #e82e2620;
}
.primary:hover {
  background: #c91e17;
}
.secondary {
  transition: none;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--ink);
}
.text-link {
  font-size: 14px;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 5px;
}
.section {
  padding: 30px 0 56px;
}
.section h2,
.callout h2 {
  font-size: 29px;
}
.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.section-heading p,
.section-lead {
  margin-top: 12px;
}
.filters {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 28px 0 22px;
  scrollbar-width: thin;
}
.chip {
  border: 1px solid var(--line);
  background: var(--bg);
  border-radius: 50px;
  white-space: nowrap;
  padding: 7px 18px;
  font-size: 14px;
  color: var(--muted);
}
.chip.selected {
  color: var(--bg);
  background: var(--ink);
  border-color: var(--ink);
}
.gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
}
.sample {
  min-width: 0;
}
.poster {
  display: block;
  aspect-ratio: 9/12;
  position: relative;
  overflow: hidden;
  border-radius: 20px;
  background: var(--surface);
  border: 1px solid var(--line);
}
.poster img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  display: block;
}
.poster::after {
  content: "";
  position: absolute;
  inset: 55% 0 0;
  background: linear-gradient(transparent, #0007);
}
.sample-badge {
  position: absolute;
  left: 14px;
  top: 14px;
  border-radius: 30px;
  padding: 4px 9px;
  background: #0009;
  color: white;
  font-size: 10px;
  letter-spacing: 0.02em;
}
.play {
  position: absolute;
  z-index: 1;
  bottom: 18px;
  left: 18px;
  border: 1px solid #ffffff80;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  background: #0006;
  color: #fff;
  font-size: 14px;
  padding-left: 2px;
}
.preview-label {
  position: absolute;
  z-index: 1;
  bottom: 26px;
  left: 69px;
  color: white;
  font-size: 13px;
}
.sample-description {
  padding: 14px 3px;
}
.sample-description h3 {
  font-size: 17px;
}
.sample-description p {
  font-size: 12px;
  margin-top: 5px;
}
.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 28px;
}
.step {
  background: var(--surface);
  border-radius: 18px;
  padding: 27px;
}
.step-number {
  color: var(--accent);
  font-weight: 700;
  font-size: 14px;
}
.step h3 {
  margin: 23px 0 12px;
  font-size: 21px;
}
.step p {
  font-size: 14px;
  line-height: 1.85;
}
.use-cases {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 26px;
  margin-top: 28px;
}
.use-cases article {
  border-top: 2px solid var(--line);
  padding: 22px 0;
}
.use-cases h3 {
  font-size: 21px;
  margin-bottom: 14px;
}
.use-cases p {
  font-size: 14px;
}
.callout {
  margin: 20px 0 70px;
  padding: 38px 40px;
  background: var(--tint);
  border-radius: 22px;
}
.callout p {
  margin: 14px 0 24px;
  max-width: 650px;
}
.site-footer {
  border-top: 1px solid var(--line);
  padding: 36px 0 22px;
  background: var(--surface);
}
.footer-top {
  display: flex;
  gap: 50px;
  align-items: flex-start;
}
.footer-top > p {
  font-size: 12px;
  max-width: 660px;
}
.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 13px 27px;
  font-size: 13px;
  margin: 24px 0;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--line);
  padding-top: 20px;
  font-size: 11px;
}
.page-heading {
  padding: 62px 0 38px;
  max-width: 850px;
}
.page-heading h1 {
  font-size: clamp(31px, 4vw, 46px);
  margin: 16px 0 17px;
}
.page-heading > p:not(.eyebrow) {
  font-size: 17px;
  max-width: 690px;
}
.compact {
  padding-top: 0;
}
.currency-picker {
  display: flex;
  gap: 8px;
  margin: 8px 0 26px;
}
.prices {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}
.price-card {
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 28px;
  display: flex;
  flex-direction: column;
}
.price-card.featured {
  border: 2px solid var(--accent);
  padding: 27px;
}
.price-card h2 {
  font-size: 26px;
  margin-top: 8px;
}
.amount {
  color: var(--ink);
  font-size: 42px;
  font-weight: 700;
  margin-top: 25px;
  line-height: 1.2;
}
.amount > span {
  font-size: 13px;
  font-weight: 400;
  color: var(--muted);
}
.annual {
  font-size: 12px;
  margin-top: 9px;
}
.allowance {
  padding: 22px 0;
  border-block: 1px solid var(--line);
  margin-top: 24px;
}
.allowance strong {
  font-size: 25px;
}
.allowance small {
  display: block;
  font-size: 12px;
  color: var(--muted);
}
.price-card ul {
  padding-left: 19px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
  margin: 21px 0 26px;
  flex: 1;
}
.price-card li {
  margin: 8px 0;
}
.topup {
  display: flex;
  align-items: center;
  gap: 35px;
  justify-content: space-between;
  border: 1px solid var(--line);
  padding: 25px 30px;
  border-radius: 18px;
  margin: 24px 0;
}
.topup h2 {
  font-size: 21px;
  margin-bottom: 10px;
}
.topup p {
  font-size: 13px;
  max-width: 650px;
}
.topup > strong {
  white-space: nowrap;
  font-size: 21px;
}
.topup small {
  display: block;
  color: var(--muted);
  font-size: 13px;
  font-weight: 400;
}
.fine-print {
  font-size: 12px;
  max-width: 950px;
}
.faq {
  max-width: 850px;
  padding-top: 50px;
}
.faq h2 {
  margin-bottom: 20px;
}
.faq details {
  border-bottom: 1px solid var(--line);
  padding: 20px 0;
}
.faq summary {
  font-weight: 600;
  cursor: pointer;
  line-height: 1.7;
}
.faq p {
  margin-top: 12px;
  font-size: 14px;
}
.contact-box {
  padding: 36px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 20px;
  max-width: 720px;
  margin: 0 0 75px;
}
.contact-box .email-address {
  display: block;
  overflow-wrap: anywhere;
  font-size: clamp(22px, 5vw, 36px);
  font-weight: 700;
  margin: 16px 0 23px;
}
.contact-box > p:not(.eyebrow) {
  font-size: 14px;
  margin-top: 24px;
}
.company {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}
.setup-notice {
  color: var(--ink);
  font-weight: 600;
}
.policy {
  max-width: 770px;
  margin: auto;
  padding: 60px 0 70px;
}
.policy h1 {
  font-size: 40px;
  margin: 14px 0;
}
.revision {
  font-size: 12px;
}
.policy section {
  margin: 30px 0;
}
.policy h2 {
  font-size: 21px;
  margin-bottom: 12px;
}
.policy p {
  font-size: 15px;
  line-height: 1.9;
}
dialog {
  width: min(440px, calc(100% - 32px));
  max-height: calc(100vh - 32px);
  max-height: calc(100dvh - 32px);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  background: var(--bg);
  color: var(--ink);
}
dialog::backdrop {
  background: #000a;
}
.dialog-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.dialog-top h2 {
  font-size: 17px;
}
.dialog-close {
  border: 0;
  background: var(--surface);
  border-radius: 50%;
  color: var(--ink);
  font-size: 25px;
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  line-height: 1;
}
dialog video {
  display: block;
  width: 100%;
  max-height: 62vh;
  aspect-ratio: 9/16;
  object-fit: contain;
  background: #101113;
  border-radius: 10px;
}
dialog .eyebrow {
  margin-top: 17px;
}
#preview-transcript {
  font-size: 13px;
  margin-top: 7px;
}
.dialog-open {
  overflow: hidden;
}
.skip {
  position: fixed;
  top: -100px;
  background: var(--ink);
  color: var(--bg);
  padding: 10px 18px;
  z-index: 20;
}
.skip:focus {
  top: 8px;
}
@media (max-width: 900px) {
  .header-inner {
    gap: 24px;
  }
  .site-header nav {
    gap: 18px;
  }
  .header-tools {
    gap: 13px;
  }
  .header-contact {
    display: none;
  }
  .hero {
    padding-top: 48px;
  }
  .gallery {
    gap: 18px;
  }
  .use-cases {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .prices {
    gap: 12px;
  }
  .price-card {
    padding: 19px;
  }
  .price-card.featured {
    padding: 18px;
  }
  .footer-top {
    gap: 28px;
  }
  .step {
    padding: 22px;
  }
}
@media (max-width: 600px) {
  .container,
  .header-inner {
    width: calc(100% - 36px);
  }
  .header-inner {
    min-height: 65px;
    gap: 14px;
    flex-wrap: wrap;
    padding: 12px 0;
  }
  .wordmark {
    font-size: 21px;
  }
  .site-header nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
    padding-top: 5px;
    font-size: 13px;
  }
  .header-tools {
    gap: 14px;
  }
  .hero {
    padding: 38px 0 28px;
  }
  .hero h1 {
    font-size: 37px;
    margin-top: 18px;
  }
  .lead {
    font-size: 20px;
  }
  .intro {
    font-size: 14px;
    margin: 15px 0 24px;
  }
  .hero-actions {
    gap: 22px;
  }
  .button {
    min-height: 45px;
    padding: 10px 18px;
    font-size: 14px;
  }
  .section {
    padding: 28px 0;
  }
  .section h2,
  .callout h2 {
    font-size: 24px;
  }
  .section-heading {
    align-items: start;
    gap: 14px;
  }
  .section-heading > .text-link {
    display: none;
  }
  .section-heading p,
  .section-lead {
    font-size: 13px;
  }
  .filters {
    padding-top: 22px;
    gap: 7px;
  }
  .chip {
    font-size: 13px;
    padding: 6px 14px;
  }
  .gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 12px;
  }
  .poster {
    border-radius: 14px;
    aspect-ratio: 9/13;
  }
  .sample-badge {
    font-size: 9px;
    top: 9px;
    left: 9px;
    padding: 3px 6px;
  }
  .play {
    width: 32px;
    height: 32px;
    font-size: 11px;
    left: 10px;
    bottom: 12px;
  }
  .preview-label {
    font-size: 11px;
    left: 50px;
    bottom: 17px;
  }
  .sample-description {
    padding: 11px 1px;
  }
  .sample-description h3 {
    font-size: 14px;
  }
  .sample-description p {
    font-size: 11px;
  }
  .steps {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 22px;
  }
  .step {
    padding: 23px;
  }
  .step h3 {
    margin: 10px 0;
  }
  .use-cases {
    gap: 10px 24px;
  }
  .use-cases h3 {
    font-size: 19px;
  }
  .use-cases p {
    font-size: 13px;
  }
  .callout {
    margin: 20px 0 42px;
    padding: 27px 23px;
  }
  .callout p {
    font-size: 14px;
  }
  .footer-top {
    display: block;
  }
  .footer-top > p {
    margin-top: 16px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 7px;
  }
  .page-heading {
    padding: 36px 0 25px;
  }
  .page-heading h1 {
    font-size: 33px;
  }
  .page-heading > p:not(.eyebrow) {
    font-size: 15px;
  }
  .prices {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .price-card,
  .price-card.featured {
    padding: 25px;
  }
  .price-card .button {
    align-self: stretch;
  }
  .topup {
    display: block;
    padding: 23px;
  }
  .topup > strong {
    display: block;
    margin-top: 16px;
  }
  .policy {
    padding: 38px 0;
  }
  .policy h1 {
    font-size: 32px;
  }
  .policy p {
    font-size: 14px;
  }
  .contact-box {
    padding: 24px;
  }
  .faq {
    padding-top: 36px;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    scroll-behavior: auto !important;
  }
}