@font-face {
  font-family: "Yueshang Sans";
  src: local("PingFang SC"), local("Microsoft YaHei"), local("Noto Sans CJK SC");
  font-display: swap;
}

:root {
  color-scheme: light;
  --ink: #111b3f;
  --muted: #65708d;
  --blue: #203b99;
  --blue-deep: #172b78;
  --line: #dfe5f1;
  --radius: 26px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: #fff;
  font-family: "Yueshang Sans", Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  content: "";
  pointer-events: none;
  background-image: radial-gradient(circle at 12% 5%, rgba(149, 229, 242, 0.12), transparent 22%),
    radial-gradient(circle at 88% 14%, rgba(174, 156, 255, 0.1), transparent 24%);
}

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

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

img {
  display: block;
  max-width: 100%;
}

:focus-visible {
  outline: 3px solid rgba(35, 104, 182, 0.45);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  border-radius: 10px;
  color: #fff;
  background: var(--blue-deep);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1180px, calc(100% - 48px));
  height: 88px;
  margin: 0 auto;
}

.brand,
.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand img,
.footer-brand img {
  border-radius: 12px;
  box-shadow: 0 7px 18px rgba(25, 54, 132, 0.2);
}

.brand span {
  font-size: 21px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

nav {
  display: flex;
  align-items: center;
  gap: 34px;
  color: #53607d;
  font-size: 14px;
  font-weight: 650;
}

nav a {
  transition: color 160ms ease;
}

nav a:hover {
  color: var(--blue);
}

.nav-github {
  padding: 10px 17px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.72);
}

.hero {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 92px 0 105px;
}

.hero-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  align-items: end;
  gap: 90px;
}

h1,
h2,
h3,
p,
figure {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 0;
  font-size: clamp(50px, 5.35vw, 76px);
  line-height: 1.16;
  letter-spacing: -0.065em;
}

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

.hero-lead {
  max-width: 500px;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
}

.hero-download {
  margin-top: 84px;
  padding-top: 48px;
  border-top: 1px solid var(--line);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 136px;
  height: 50px;
  padding: 0 24px;
  border: 1px solid var(--line);
  border-radius: 13px;
  font-size: 14px;
  font-weight: 750;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

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

.button-primary {
  gap: 10px;
  border-color: var(--blue-deep);
  color: #fff;
  background: linear-gradient(135deg, var(--blue-deep), #2754a8);
  box-shadow: 0 13px 27px rgba(29, 53, 133, 0.24);
}

.button-primary:hover {
  box-shadow: 0 17px 32px rgba(29, 53, 133, 0.3);
}

.hero-meta {
  margin: 24px 0 0;
  color: #9098ac;
  font-size: 11px;
  letter-spacing: 0.02em;
  text-align: right;
}

.hero-meta span {
  margin: 0 7px;
  color: #c2c8d5;
}

.hero-meta a {
  color: var(--blue);
  font-weight: 700;
}

.hero-meta a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.section {
  width: min(1080px, calc(100% - 48px));
  margin: 0 auto;
  padding: 118px 0;
}

.browser-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.browser-card {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 98px;
  gap: 14px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 19px;
  background: #fff;
  text-align: left;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

a.browser-card:hover {
  z-index: 2;
  border-color: #b9c5dd;
  box-shadow: 0 16px 35px rgba(31, 54, 118, 0.1);
  transform: translateY(-4px);
}

.browser-card-primary {
  color: #fff;
  border-color: var(--blue-deep);
  background: linear-gradient(135deg, var(--blue-deep), #2354a5);
  box-shadow: 0 15px 35px rgba(26, 51, 130, 0.2);
}

a.browser-card-primary:hover {
  border-color: var(--blue-deep);
  box-shadow: 0 19px 40px rgba(26, 51, 130, 0.28);
}

.browser-logo {
  flex: 0 0 48px;
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.browser-card > span:nth-child(2) {
  min-width: 0;
}

.browser-card strong,
.browser-card small {
  display: block;
}

.browser-card strong {
  margin-bottom: 5px;
  font-size: 15px;
}

.browser-card small {
  overflow: hidden;
  color: #929bad;
  font-size: 9px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.browser-card-primary small {
  color: rgba(255, 255, 255, 0.66);
}

.browser-card > b {
  margin-left: auto;
  color: #a3abbb;
  font-size: 14px;
}

.browser-card-primary > b {
  color: rgba(255, 255, 255, 0.75);
}

.browser-card-pending {
  background: #fbfcfe;
}

.browser-card-pending > b {
  padding: 5px 7px;
  border-radius: 6px;
  color: #929bad;
  background: #eef1f6;
  font-size: 8px;
  white-space: nowrap;
}

.actual-features {
  width: min(1180px, calc(100% - 48px));
  padding: 125px 0 160px;
  border-top: 1px solid var(--line);
}

.features-heading {
  max-width: 800px;
  margin: 0 0 100px;
  text-align: left;
}

.features-heading h2 {
  margin-bottom: 0;
  font-size: clamp(46px, 5vw, 70px);
  line-height: 1.16;
  letter-spacing: -0.06em;
}

.features-heading h2 em,
.feature-story h3 em {
  color: var(--blue);
  font-style: normal;
}

.feature-story + .feature-story {
  margin-top: 150px;
  padding-top: 120px;
  border-top: 1px solid var(--line);
}

.feature-story-heading {
  margin: 0 0 42px;
  text-align: left;
}

.feature-story h3 {
  margin: 0;
  font-size: clamp(30px, 3.2vw, 44px);
  line-height: 1.22;
  letter-spacing: -0.045em;
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.screenshot-card,
.feature-screenshot {
  overflow: hidden;
  border: 1px solid #dce3ef;
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 22px 60px rgba(27, 49, 105, 0.09);
}

.screenshot-card {
  margin: 0;
  padding: 10px;
}

.screenshot-card-highlight {
  border-color: #c6d3ec;
  box-shadow: 0 26px 68px rgba(27, 56, 137, 0.14);
}

.screenshot-card img,
.feature-screenshot img {
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius) - 10px);
}

.feature-screenshot {
  padding: 12px;
}

.feature-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 22px;
}

.feature-links a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px 10px 17px;
  border: 1px solid #dfe5f1;
  border-radius: 999px;
  color: #53607d;
  background: rgba(255, 255, 255, 0.86);
  font-size: 11px;
  font-weight: 700;
  transition: color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.feature-links a:hover {
  border-color: #b9c6df;
  color: var(--blue);
  transform: translateY(-2px);
}

.feature-links span {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  color: #fff;
  background: var(--blue);
  font-size: 10px;
}

footer {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 25px;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 45px 0 35px;
  border-top: 1px solid var(--line);
}

.footer-brand strong,
.footer-brand small {
  display: block;
}

.footer-brand strong {
  margin-bottom: 3px;
  font-size: 15px;
  letter-spacing: 0.08em;
}

.footer-brand small,
footer > p {
  color: #929aad;
  font-size: 9px;
}

.footer-links {
  display: flex;
  gap: 28px;
  color: #64708b;
  font-size: 11px;
  font-weight: 650;
}

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

footer > p {
  grid-column: 1 / -1;
  margin: 3px 0 0;
}

.legal-page {
  min-height: 100vh;
  background: #f7f9fc;
}

.legal-header {
  height: 76px;
}

.legal-main {
  width: min(840px, calc(100% - 40px));
  margin: 44px auto 100px;
  padding: 50px clamp(25px, 6vw, 68px);
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 20px 55px rgba(27, 49, 105, 0.08);
}

.legal-main h1 {
  margin-bottom: 12px;
  font-size: clamp(36px, 6vw, 54px);
  letter-spacing: -0.045em;
}

.legal-updated {
  margin-bottom: 42px;
  color: #8b94a7;
  font-size: 12px;
}

.legal-main h2 {
  margin: 38px 0 14px;
  font-size: 21px;
}

.legal-main p,
.legal-main li {
  color: #56617b;
  font-size: 14px;
  line-height: 1.9;
}

.legal-main a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.legal-main code {
  padding: 2px 6px;
  border-radius: 5px;
  color: #31446f;
  background: #f1f4fa;
}

.legal-main hr {
  margin: 54px 0;
  border: 0;
  border-top: 1px solid var(--line);
}

@media (max-width: 960px) {
  .hero {
    padding-top: 60px;
  }

  .hero-intro {
    grid-template-columns: 1fr;
    gap: 28px;
    text-align: center;
  }

  .hero-lead {
    margin-right: auto;
    margin-left: auto;
  }

  .hero-download {
    margin-top: 64px;
    padding-top: 40px;
  }

  .hero-meta {
    text-align: center;
  }

  .browser-grid,
  .comparison-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 680px) {
  .site-header,
  .hero,
  .section,
  footer {
    width: min(100% - 32px, 1180px);
  }

  .site-header {
    height: 72px;
  }

  nav {
    gap: 13px;
    font-size: 12px;
  }

  nav a:first-child,
  nav a:nth-child(3) {
    display: none;
  }

  .nav-github {
    padding: 8px 12px;
  }

  .brand img {
    width: 36px;
    height: 36px;
  }

  .brand span {
    font-size: 18px;
  }

  .hero {
    padding: 54px 0 78px;
  }

  h1 {
    font-size: clamp(43px, 13vw, 60px);
  }

  .hero-lead {
    font-size: 15px;
    line-height: 1.8;
  }

  .hero-intro {
    gap: 24px;
  }

  .hero-download {
    margin-top: 48px;
    padding-top: 32px;
  }

  .hero-meta {
    max-width: 330px;
    line-height: 2;
  }

  .section {
    padding: 86px 0;
  }

  .browser-grid,
  .comparison-grid {
    grid-template-columns: 1fr;
  }

  .actual-features {
    padding-top: 90px;
    padding-bottom: 110px;
  }

  .features-heading {
    margin-bottom: 80px;
  }

  .feature-story + .feature-story {
    margin-top: 100px;
    padding-top: 80px;
  }

  .feature-story-heading {
    margin-bottom: 28px;
    text-align: left;
  }

  .feature-story h3 {
    font-size: 30px;
  }

  .feature-story h3 em {
    display: block;
  }

  .screenshot-card,
  .feature-screenshot {
    padding: 6px;
    border-radius: 18px;
  }

  .screenshot-card img,
  .feature-screenshot img {
    border-radius: 12px;
  }

  .feature-links {
    justify-content: flex-start;
    margin-top: 18px;
  }

  .feature-links a {
    justify-content: space-between;
    width: 100%;
  }

  footer {
    grid-template-columns: 1fr;
  }

  .footer-links {
    flex-wrap: wrap;
  }

  footer > p {
    grid-column: auto;
  }

  .legal-main {
    margin-top: 20px;
    padding: 35px 22px;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}