:root {
  color-scheme: light;
  --ink: #172338;
  --muted: #58677f;
  --blue: #2fb0ee;
  --blue-ink: #0872ab;
  --cyan: #55c6ec;
  --orange: #f47b46;
  --cta: #ff633f;
  --cta-hover: #f45131;
  --line: #e3ebf6;
  --tint: #f5f9ff;
  --tint2: #e9f7ff;
  --shadow: 0 14px 38px rgb(32 76 154 / 6%);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family:
    -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
    sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
a,
summary {
  touch-action: manipulation;
}
a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 4px;
}
.container {
  width: min(100% - 48px, 1180px);
  margin-inline: auto;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid #e4edf8;
  background: rgb(255 255 255 / 94%);
  backdrop-filter: blur(16px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  min-height: 76px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.035em;
}
.brand-mark {
  display: block;
  width: 39px;
  height: 39px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 5px 13px rgb(31 147 215 / 17%);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
  white-space: nowrap;
  font-size: 15px;
  font-weight: 650;
}
.main-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  transition: color 0.18s;
}
.main-nav a:hover {
  color: var(--blue-ink);
}
.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: 11px;
  padding: 10px 22px;
  font-size: 15px;
  font-weight: 750;
  line-height: 1.3;
  text-align: center;
  white-space: nowrap;
  transition:
    transform 0.18s,
    background-color 0.18s,
    box-shadow 0.18s;
}
.button-icon {
  display: block;
  width: 18px;
  height: 18px;
  flex: none;
  margin-right: 9px;
  color: currentColor;
}
.header-cta,
.button-primary {
  background: var(--cta);
  color: #fff;
  box-shadow: 0 7px 17px rgb(255 99 63 / 20%);
}
.header-cta:hover,
.button-primary:hover {
  background: var(--cta-hover);
  box-shadow: 0 10px 23px rgb(255 99 63 / 26%);
  transform: translateY(-2px);
}
.button-secondary {
  border: 1px solid #b8dced;
  background: #fff;
  color: var(--blue-ink);
}
.button-secondary:hover {
  background: var(--tint2);
  transform: translateY(-2px);
}
.hero {
  position: relative;
  overflow: hidden;
  padding: 76px 0 88px;
  background: linear-gradient(115deg, #f8fbff 0%, #eef6ff 58%, #f7fcff 100%);
}
.hero-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
  align-items: center;
  gap: 54px;
}
.hero-copy {
  padding-block: 14px;
}
.hero h1 {
  max-width: 660px;
  margin: 0 0 23px;
  font-size: clamp(38px, 3.8vw, 56px);
  font-weight: 850;
  line-height: 1.26;
  letter-spacing: -0.055em;
}
.hero p {
  max-width: 550px;
  margin: 0 0 31px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.85;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 13px;
}
.hero-actions .button {
  min-width: 150px;
}
.hero-art {
  --orbit-x: 138px;
  --orbit-y: 227px;
  --orbit-radius: 116px;
  position: relative;
  width: 100%;
  height: 430px;
  justify-self: end;
  isolation: isolate;
}
.hero-character {
  position: absolute;
  top: 18px;
  right: 0;
  z-index: 0;
  width: 300px;
  height: 370px;
  overflow: hidden;
}
.hero-character img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: right center;
}
.hero-screen {
  position: absolute;
  bottom: 50px;
  left: 38px;
  z-index: 1;
  width: 175px;
  height: 306px;
  overflow: hidden;
  border: 7px solid #fff;
  border-radius: 25px;
  background: #fff;
  box-shadow: 0 20px 42px rgb(38 87 145 / 18%);
  transform: rotate(-8deg);
  animation: hero-phone-float 4s ease-in-out infinite;
}
.hero-screen img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}
.hero-orbit {
  position: absolute;
  z-index: 3;
  inset: 0;
  pointer-events: none;
}
.hero-orbit-track {
  position: absolute;
  top: var(--orbit-y);
  left: var(--orbit-x);
  width: 0;
  height: 0;
  transform: rotate(var(--orbit-phase));
  animation: hero-orbit 24s linear infinite;
}
.hero-orbit-hot {
  --orbit-phase: 150deg;
  --orbit-counter-phase: -150deg;
}
.hero-orbit-update {
  --orbit-phase: 270deg;
  --orbit-counter-phase: -270deg;
}
.hero-orbit-free {
  --orbit-phase: 30deg;
  --orbit-counter-phase: -30deg;
}
.hero-float {
  position: absolute;
  top: 0;
  left: var(--orbit-radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 41px;
  border: 1px solid rgb(228 237 248 / 85%);
  border-radius: 999px;
  padding: 8px 15px;
  background: rgb(255 255 255 / 95%);
  box-shadow: 0 12px 28px rgb(38 87 145 / 11%);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.2;
  white-space: nowrap;
  transform: translate(-50%, -50%) rotate(var(--orbit-counter-phase));
  animation: hero-counter-orbit 24s linear infinite;
}
.hero-float-hot {
  color: #f25243;
}
.hero-float-update {
  color: #2687db;
}
.hero-float-free {
  color: #19a97e;
}
@keyframes hero-orbit {
  from { transform: rotate(var(--orbit-phase)); }
  to { transform: rotate(calc(var(--orbit-phase) + 360deg)); }
}
@keyframes hero-counter-orbit {
  from { transform: translate(-50%, -50%) rotate(var(--orbit-counter-phase)); }
  to { transform: translate(-50%, -50%) rotate(calc(var(--orbit-counter-phase) - 360deg)); }
}
@keyframes hero-phone-float {
  0%, 100% { transform: translateY(-5px) rotate(-8deg); }
  50% { transform: translateY(5px) rotate(-8deg); }
}
.section {
  padding: 94px 0 102px;
}
.section-heading {
  margin-bottom: 43px;
  text-align: center;
}
.section-heading h2 {
  margin: 0 0 12px;
  font-size: clamp(30px, 3.25vw, 43px);
  font-weight: 850;
  line-height: 1.26;
  letter-spacing: -0.045em;
}
.heading-emphasis {
  background: linear-gradient(100deg, #2875f8, #009fd8);
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.section-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.feature-card {
  min-height: 230px;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 29px 27px 27px;
  background: #fff;
  box-shadow: var(--shadow);
  transition:
    transform 0.2s,
    box-shadow 0.2s;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 44px rgb(32 76 154 / 10%);
}
.feature-number {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 25px;
  border-radius: 14px;
  background: #e8f7ff;
  color: var(--blue-ink);
  font-size: 24px;
  line-height: 1;
}
.feature-card:nth-child(4n + 2) .feature-number {
  background: #e8f8ef;
}
.feature-card:nth-child(4n + 3) .feature-number {
  background: #fff1e9;
}
.feature-card:nth-child(4n) .feature-number {
  background: #f0edff;
}
.feature-card h3,
.showcase-card h3,
.step-card h3 {
  margin: 0 0 9px;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.4;
}
.feature-card p,
.showcase-card p,
.step-card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}
.showcase {
  background: var(--tint);
}
.showcase-grid {
  display: flex;
  justify-content: center;
  gap: 18px;
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 14px;
  scrollbar-width: thin;
  scrollbar-color: #b7d4e8 transparent;
}
.showcase-grid:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
}
.showcase-card {
  width: 254px;
  flex: 0 0 254px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 23px;
  padding: 8px 8px 22px;
  background: #fff;
  box-shadow: var(--shadow);
}
.showcase-media {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  aspect-ratio: 9 / 16;
  margin: 0 0 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: #edf7ff;
}
.showcase-media img {
  display: block;
  width: auto;
  max-width: 100%;
  height: 100%;
  object-fit: contain;
}
.showcase-card:nth-child(3) .showcase-media {
  border: 3px solid #fff;
  background: #fff;
  box-shadow: 0 0 0 1px var(--line);
}
.showcase-card h3,
.showcase-card p {
  margin-left: 8px;
  margin-right: 8px;
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 70px;
  max-width: 960px;
  margin-inline: auto;
}
.step-card {
  position: relative;
  min-height: 215px;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 30px 27px;
  background: #f9fbff;
}
.step-card:nth-child(1) {
  border-color: #dceaf9;
  background: #f1f7ff;
}
.step-card:nth-child(2) {
  border-color: #dcefe8;
  background: #f0faf6;
}
.step-card:nth-child(3) {
  border-color: #f3e6db;
  background: #fff7f0;
}
.step-card:not(:last-child)::after {
  position: absolute;
  top: 50%;
  left: calc(100% + 12px);
  width: 43px;
  border-top: 2px dashed #a1c8df;
  content: "";
}
.step-card:not(:last-child)::before {
  position: absolute;
  top: calc(50% - 5px);
  left: calc(100% + 54px);
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 8px solid #a1c8df;
  content: "";
}
.step-mark {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 24px;
}
.step-emoji {
  display: grid;
  place-items: center;
  width: 47px;
  height: 47px;
  flex: none;
  border-radius: 13px;
}
.step-number {
  flex: none;
  color: #2374a5;
  font-size: 19px;
  font-weight: 750;
  letter-spacing: 0.02em;
  line-height: 1;
}
.step-card:nth-child(2) .step-number {
  color: #287e6b;
}
.step-card:nth-child(3) .step-number {
  color: #bd6b3e;
}
.step-emoji {
  background: #fff;
  font-size: 23px;
  line-height: 1;
}
.faq {
  background: var(--tint);
}
.faq-list {
  display: grid;
  gap: 12px;
  width: min(100%, 850px);
  margin-inline: auto;
}
.faq-list details {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0 23px;
  background: #fff;
  box-shadow: 0 7px 22px rgb(35 80 150 / 4%);
}
.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  list-style: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 750;
}
.faq-list summary::-webkit-details-marker {
  display: none;
}
.faq-list summary::after {
  display: block;
  width: 28px;
  height: 28px;
  flex: none;
  margin-left: 20px;
  border-radius: 50%;
  background-color: var(--tint2);
  background-image:
    linear-gradient(var(--blue-ink), var(--blue-ink)),
    linear-gradient(var(--blue-ink), var(--blue-ink));
  background-position: center, center;
  background-size:
    12px 2px,
    2px 12px;
  background-repeat: no-repeat;
  content: "";
}
.faq-list details[open] summary::after {
  background-image: linear-gradient(var(--blue-ink), var(--blue-ink));
}
.faq-list details p {
  margin: -2px 0 22px;
  color: var(--muted);
  font-size: 15px;
}
.download {
  padding: 80px 0 86px;
  background: linear-gradient(125deg, #e9f3ff, #f0faff);
}
.download-layout {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.download-heading {
  margin-bottom: 23px;
}
.download .button {
  min-width: 220px;
  min-height: 60px;
  padding: 14px 30px;
  border-radius: 14px;
  font-size: 17px;
}
.download .button-icon {
  width: 21px;
  height: 21px;
}
.site-footer {
  border-top: 1px solid var(--line);
  background: #fff;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 76px;
}
.footer-inner span {
  font-weight: 800;
}
.footer-inner small {
  color: var(--muted);
}
@media (min-width: 901px) {
  .header-cta {
    min-height: 40px;
    padding: 8px 20px;
    border-radius: 8px;
  }
  .hero-actions .button-primary {
    min-width: 240px;
    min-height: 56px;
    padding: 14px 32px;
    font-size: 18px;
  }
  .hero-actions .button-icon {
    width: 22px;
    height: 22px;
    margin-right: 10px;
  }
}
@media (max-width: 1120px) {
  .header-inner {
    gap: 17px;
  }
  .brand {
    font-size: 18px;
  }
  .main-nav {
    gap: 18px;
    font-size: 14px;
  }
  .header-cta {
    padding-inline: 16px;
  }
  .hero-layout {
    gap: 35px;
  }
  .showcase-grid {
    justify-content: flex-start;
  }
}
@media (max-width: 900px) {
  html {
    scroll-padding-top: 70px;
  }
  .header-inner {
    min-height: 68px;
  }
  .main-nav {
    display: none;
  }
  .hero {
    padding: 62px 0 70px;
  }
  .hero-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    gap: 25px;
  }
  .hero-art {
    --orbit-x: 108px;
    --orbit-y: 179px;
    --orbit-radius: 78px;
    height: 330px;
  }
  .hero-character {
    top: 15px;
    width: 220px;
    height: 272px;
  }
  .hero-screen {
    bottom: 40px;
    left: 15px;
    width: 126px;
    height: 222px;
    border-width: 5px;
    border-radius: 18px;
  }
  .hero-float {
    min-height: 34px;
    padding: 6px 10px;
    font-size: 13px;
  }
  .hero h1 {
    font-size: clamp(33px, 4.5vw, 42px);
  }
  .hero p {
    font-size: 16px;
  }
  .section {
    padding: 76px 0 82px;
  }
  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .steps-grid {
    gap: 20px;
  }
  .step-card::before,
  .step-card::after {
    display: none;
  }
}
@media (max-width: 700px) {
  .container {
    width: min(100% - 32px, 560px);
  }
  .header-inner {
    min-height: 64px;
  }
  .brand {
    gap: 7px;
    font-size: 17px;
  }
  .brand-mark {
    width: 32px;
    height: 32px;
    border-radius: 10px;
  }
  .header-cta {
    min-height: 36px;
    padding: 6px 13px;
    border-radius: 8px;
    font-size: 14px;
  }
  .hero {
    padding: 50px 0 64px;
  }
  .hero-layout {
    grid-template-columns: 1fr;
    gap: 31px;
  }
  .hero-art {
    --orbit-x: 120px;
    --orbit-radius: 70px;
    width: min(100%, 343px);
    justify-self: center;
  }
  .hero-copy {
    padding: 0;
  }
  .hero h1 {
    margin-bottom: 17px;
    font-size: clamp(31px, 7.8vw, 42px);
  }
  .hero p {
    margin-bottom: 24px;
  }
  .hero-actions {
    display: grid;
    gap: 8px;
  }
  .hero-actions .button {
    width: 100%;
  }
  .hero-actions .button-secondary {
    border: 0;
    background: transparent;
    box-shadow: none;
  }
  .section {
    padding: 66px 0 72px;
  }
  .section-heading {
    margin-bottom: 33px;
  }
  .section-heading h2 {
    font-size: clamp(29px, 7vw, 36px);
  }
  .section-heading p {
    font-size: 15px;
  }
  .feature-grid {
    gap: 13px;
  }
  .feature-card {
    min-height: 205px;
    padding: 22px;
  }
  .feature-number {
    margin-bottom: 18px;
  }
  .showcase-grid {
    gap: 14px;
  }
  .showcase-card {
    min-height: 0;
  }
  .showcase-media {
    height: auto;
    aspect-ratio: 9 / 16;
  }
  .steps-grid {
    grid-template-columns: 1fr;
    gap: 13px;
  }
  .step-card {
    display: grid;
    grid-template-columns: 68px minmax(0, 1fr);
    column-gap: 12px;
    min-height: 0;
    padding: 24px;
  }
  .step-mark {
    grid-row: 1 / 3;
    align-self: start;
    justify-content: flex-start;
    gap: 7px;
    margin: 0;
  }
  .step-mark .step-emoji {
    width: 36px;
    height: 36px;
  }
  .step-card h3 {
    margin-bottom: 5px;
  }
  .download {
    padding: 66px 0 72px;
  }
  .download .button {
    width: 100%;
  }
  .footer-inner {
    min-height: 70px;
  }
}
@media (max-width: 480px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .feature-card {
    min-height: 0;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .header-cta,
  .button,
  .main-nav a,
  .feature-card {
    transition: none;
  }
  .hero-orbit-track,
  .hero-float,
  .hero-screen {
    animation: none;
  }
}