:root {
  --ink: #151922;
  --muted: #5d6573;
  --paper: #f7f8f5;
  --panel: #ffffff;
  --line: #d9dee6;
  --soft-line: #edf0f3;
  --night: #07090e;
  --cyan: #10b9c8;
  --green: #39b86f;
  --red: #e94f64;
  --violet: #8c63d9;
  --gold: #d8a928;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  line-height: 1.65;
}

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

a {
  color: inherit;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 14px clamp(18px, 4vw, 56px);
  color: #fff;
  background: rgba(7, 9, 14, 0.78);
  border-bottom: 1px solid rgba(255, 255, 255, 0.13);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 760;
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.nav-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: clamp(14px, 3vw, 34px);
  font-size: 0.95rem;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
}

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

.nav-links .nav-cta {
  min-height: 36px;
  padding: 7px 14px;
  color: #071015;
  background: #fff;
  border-radius: 8px;
  font-weight: 800;
}

.nav-links .nav-cta:hover {
  color: #071015;
}

.hero {
  position: relative;
  min-height: 90svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: #fff;
  background: var(--night);
}

.hero-bg,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
}

.hero-overlay {
  background: rgba(2, 3, 7, 0.58);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(var(--max), calc(100% - 36px));
  margin: 0 auto;
  padding: 126px 0 72px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: 6.25rem;
  line-height: 0.94;
  letter-spacing: 0;
}

.hero-lede {
  max-width: 680px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 1.28rem;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 760;
}

.button.primary {
  color: #061014;
  background: #fff;
}

.button.secondary {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.34);
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  max-width: 980px;
  margin: 54px 0 0;
  padding: 0;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  overflow: hidden;
}

.hero-facts div {
  min-height: 118px;
  padding: 22px;
  background: rgba(7, 9, 14, 0.68);
}

.hero-facts dt {
  margin: 0 0 8px;
  font-size: 1.02rem;
  font-weight: 820;
}

.hero-facts dd {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.9rem;
}

.section {
  padding: clamp(64px, 9vw, 112px) 0;
}

.section-inner {
  width: min(var(--max), calc(100% - 36px));
  margin: 0 auto;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(32px, 6vw, 82px);
  align-items: start;
}

h2 {
  margin: 0;
  font-size: 3.75rem;
  line-height: 1.06;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.28;
  letter-spacing: 0;
}

p {
  margin: 0;
}

.copy-block {
  color: var(--muted);
  font-size: 1.06rem;
}

.copy-block p + p {
  margin-top: 18px;
}

.feature-band {
  background: #fff;
  border-top: 1px solid var(--soft-line);
  border-bottom: 1px solid var(--soft-line);
}

.feature-band h2 {
  max-width: 830px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 38px;
}

.feature-card {
  min-height: 190px;
  padding: 24px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.feature-card h3::before {
  content: "";
  display: block;
  width: 42px;
  height: 4px;
  margin-bottom: 18px;
  border-radius: 999px;
  background: var(--cyan);
}

.feature-card:nth-child(2) h3::before,
.feature-card:nth-child(5) h3::before {
  background: var(--green);
}

.feature-card:nth-child(3) h3::before {
  background: var(--red);
}

.feature-card:nth-child(4) h3::before {
  background: var(--violet);
}

.feature-card:nth-child(6) h3::before {
  background: var(--gold);
}

.feature-card p {
  margin-top: 14px;
  color: var(--muted);
}

.product-view {
  background: #f0f3f1;
}

.media-row {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
  gap: clamp(28px, 5vw, 58px);
  align-items: center;
}

.screenshot-frame,
.gallery-item {
  margin: 0;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.screenshot-frame img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: left top;
}

.panel-copy {
  color: var(--muted);
}

.panel-copy h2 {
  color: var(--ink);
  font-size: 2.85rem;
}

.panel-copy p {
  margin-top: 18px;
  font-size: 1.03rem;
}

.check-list {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 24px;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green);
}

.workflow {
  color: #fff;
  background: #10131a;
}

.workflow h2 {
  max-width: 760px;
}

.workflow-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 42px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  overflow: hidden;
}

.workflow-list article {
  min-height: 250px;
  padding: 26px;
  background: #151923;
}

.workflow-list span {
  display: block;
  margin-bottom: 42px;
  color: var(--cyan);
  font-weight: 860;
}

.workflow-list p {
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.68);
}

.gallery {
  background: var(--paper);
}

.gallery-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
  gap: 32px;
  align-items: end;
}

.gallery-heading p:last-child {
  color: var(--muted);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 42px;
}

.gallery-item {
  background: #fff;
}

.gallery-item.large {
  grid-column: span 2;
}

.gallery-item img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.gallery-item.large:last-child img {
  aspect-ratio: 4 / 1;
}

.gallery-item figcaption {
  padding: 14px 16px 16px;
  color: var(--muted);
  font-size: 0.94rem;
}

.function-showcase {
  display: grid;
  gap: 22px;
  margin-top: 42px;
}

.function-item {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: clamp(22px, 4vw, 46px);
  align-items: center;
  padding: clamp(18px, 3vw, 28px);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.function-item.reverse {
  grid-template-columns: minmax(280px, 0.75fr) minmax(0, 1.25fr);
}

.function-item.reverse figure {
  order: 2;
}

.function-item figure {
  margin: 0;
  overflow: hidden;
  background: #f1f4f6;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.function-item img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
}

.function-item .vector-shot img {
  aspect-ratio: 16 / 5;
}

.function-item span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 22px;
  color: #fff;
  background: var(--ink);
  border-radius: 50%;
  font-weight: 840;
}

.function-item h3 {
  font-size: 2rem;
}

.function-item p {
  margin-top: 14px;
  color: var(--muted);
  font-size: 1.02rem;
}

.details {
  background: #fff;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.detail-grid article {
  min-height: 260px;
  padding: 30px;
  background: #fff;
}

.detail-grid h2 {
  font-size: 2rem;
}

.detail-grid p {
  margin-top: 18px;
  color: var(--muted);
}

.store-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  margin-top: 24px;
  padding: 0 18px;
  color: #fff;
  background: var(--ink);
  border-radius: 8px;
  text-decoration: none;
  font-weight: 800;
}

.store-link:hover {
  background: #000;
}

.contact {
  color: #fff;
  background: #0b0d12;
}

.contact-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 430px);
  gap: 32px;
  align-items: center;
}

.contact h2 {
  max-width: 780px;
  font-size: 1.75rem;
  line-height: 1.28;
}

.contact .section-kicker {
  font-size: 0.72rem;
}

.contact-mail {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 96px;
  padding: 20px;
  color: #061014;
  background: #fff;
  border-radius: 8px;
  text-decoration: none;
  font-size: 1.35rem;
  font-weight: 820;
  word-break: break-all;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(18px, 4vw, 56px);
  color: rgba(255, 255, 255, 0.72);
  background: #05070b;
  font-size: 0.92rem;
}

.site-footer strong,
.site-footer span {
  display: block;
}

.site-footer strong {
  color: #fff;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px 22px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
}

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

@media (max-width: 920px) {
  .site-header {
    position: absolute;
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .nav-links {
    width: 100%;
    justify-content: flex-start;
  }

  .hero {
    min-height: 92svh;
  }

  .hero-content {
    padding-top: 156px;
  }

  .hero h1 {
    font-size: 4.8rem;
  }

  .hero-lede {
    font-size: 1.15rem;
  }

  h2 {
    font-size: 2.8rem;
  }

  .panel-copy h2 {
    font-size: 2.45rem;
  }

  .function-item h3,
  .detail-grid h2 {
    font-size: 1.7rem;
  }

  .hero-facts,
  .two-column,
  .media-row,
  .gallery-heading,
  .contact-inner {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .workflow-list,
  .detail-grid,
  .function-item,
  .function-item.reverse {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .function-item.reverse figure {
    order: 0;
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: 128px;
    padding: 14px 18px;
  }

  .brand span {
    font-size: 0.98rem;
  }

  .nav-links {
    gap: 8px 14px;
    font-size: 0.86rem;
  }

  .hero-content {
    width: min(100% - 28px, var(--max));
    padding-top: 160px;
    padding-bottom: 48px;
  }

  .hero h1 {
    font-size: 3.25rem;
  }

  .hero-lede {
    font-size: 1.04rem;
  }

  h2 {
    font-size: 2.2rem;
  }

  .panel-copy h2 {
    font-size: 2rem;
  }

  .function-item h3,
  .detail-grid h2 {
    font-size: 1.45rem;
  }

  .contact h2 {
    font-size: 1.35rem;
  }

  .contact-mail {
    min-height: 76px;
    font-size: 1.05rem;
  }

  .hero-facts,
  .feature-grid,
  .workflow-list,
  .gallery-grid,
  .detail-grid,
  .function-item,
  .function-item.reverse {
    grid-template-columns: 1fr;
  }

  .gallery-item.large {
    grid-column: span 1;
  }

  .gallery-item.large:last-child img {
    aspect-ratio: 16 / 7;
  }

  .section {
    padding: 58px 0;
  }

  .workflow-list article,
  .detail-grid article {
    min-height: auto;
  }

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

  .footer-links {
    justify-content: flex-start;
  }
}