:root {
  color-scheme: dark;
  --page: #120006;
  --page-2: #1c050a;
  --panel: #280b12;
  --panel-2: #351219;
  --panel-3: #441a1d;
  --line: rgba(255, 156, 44, 0.22);
  --line-strong: rgba(255, 156, 44, 0.38);
  --text: #fff8ef;
  --muted: #c9aaa0;
  --muted-2: #9b827b;
  --orange: #ff9d22;
  --yellow: #ffd85a;
  --blue: #2f8fe3;
  --lime: #85b91d;
  --red: #a43d2d;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.38);
  --radius: 8px;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--page);
  color: var(--text);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 70% -10%, rgba(255, 157, 34, 0.16), transparent 34rem),
    linear-gradient(180deg, #1a0008 0%, #120006 38%, #0b0003 100%);
}

body,
button,
a {
  font: inherit;
}

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

img,
svg {
  display: block;
}

button {
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(170px, 1fr) auto minmax(170px, 1fr);
  align-items: center;
  gap: 24px;
  min-height: 76px;
  padding: 14px clamp(18px, 4vw, 64px);
  border-bottom: 1px solid rgba(255, 157, 34, 0.2);
  background: rgba(18, 0, 6, 0.84);
  backdrop-filter: blur(22px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  width: max-content;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 9px;
  box-shadow: 0 10px 22px rgba(255, 115, 17, 0.18);
}

.brand span,
.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 16px;
  line-height: 1.1;
}

.brand small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.site-nav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 6px;
  border: 1px solid rgba(255, 157, 34, 0.24);
  border-radius: 999px;
  background: rgba(45, 9, 16, 0.78);
}

.site-nav a {
  min-width: 74px;
  padding: 9px 16px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  text-align: center;
  transition:
    color 160ms ease,
    background 160ms ease;
}

.site-nav a:hover,
.site-nav a.active {
  color: #170204;
  background: linear-gradient(180deg, #ffc454, var(--orange));
}

.header-download {
  justify-self: end;
  padding: 11px 16px;
  border: 1px solid rgba(255, 157, 34, 0.28);
  border-radius: 8px;
  color: #170204;
  background: linear-gradient(180deg, #ffc454, var(--orange));
  box-shadow: 0 14px 30px rgba(255, 126, 18, 0.22);
  font-size: 14px;
  font-weight: 800;
}

.section-shell {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(520px, 1.18fr);
  align-items: center;
  gap: clamp(34px, 5vw, 74px);
  min-height: auto;
  padding: clamp(58px, 7vw, 96px) 0 68px;
}

.product-line {
  max-width: max-content;
  margin: 0 0 22px;
  color: var(--yellow);
  font-size: 15px;
  font-weight: 800;
}

.hero h1 {
  margin: 0;
  font-size: clamp(54px, 8vw, 104px);
  line-height: 0.92;
  letter-spacing: 0;
}

.hero h1 span {
  display: block;
  white-space: nowrap;
}

.hero-slogan {
  margin: 20px 0 0;
  color: var(--orange);
  font-size: clamp(28px, 4vw, 52px);
  line-height: 1.08;
  font-weight: 900;
}

.hero-text {
  max-width: 640px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.82;
  font-weight: 600;
}

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

.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 20px;
  border-radius: 8px;
  font-weight: 900;
}

.primary-action {
  gap: 10px;
  color: #170204;
  background: linear-gradient(180deg, #ffc75d 0%, var(--orange) 100%);
  box-shadow: 0 18px 42px rgba(255, 130, 19, 0.28);
}

.primary-action svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.secondary-action {
  border: 1px solid var(--line-strong);
  color: var(--text);
  background: rgba(45, 10, 15, 0.72);
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.hero-facts span {
  padding: 8px 12px;
  border: 1px solid rgba(255, 216, 90, 0.25);
  border-radius: 999px;
  color: #f4d6c7;
  background: rgba(62, 20, 20, 0.62);
  font-size: 13px;
  font-weight: 800;
}

.product-preview {
  min-width: 0;
}

.preview-window {
  overflow: hidden;
  border: 1px solid rgba(255, 157, 34, 0.32);
  border-radius: 12px;
  background: #1c0509;
  box-shadow: var(--shadow);
}

.preview-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 54px;
  padding: 0 20px;
  border-bottom: 1px solid rgba(255, 157, 34, 0.22);
  background: #170004;
}

.preview-toolbar span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.preview-toolbar span:nth-child(1) {
  background: #ff5d4e;
}

.preview-toolbar span:nth-child(2) {
  background: #ffca3f;
}

.preview-toolbar span:nth-child(3) {
  background: #36ce64;
}

.preview-toolbar strong {
  margin-left: 12px;
  color: var(--muted);
  font-size: 14px;
}

.preview-grid {
  display: grid;
  grid-template-columns: minmax(160px, 0.92fr) minmax(0, 1.7fr) minmax(150px, 0.8fr);
  min-height: 500px;
}

.preview-rail,
.preview-main {
  min-width: 0;
  padding: 18px;
}

.preview-rail {
  border-right: 1px solid rgba(255, 157, 34, 0.18);
  background: rgba(40, 7, 13, 0.86);
}

.preview-rail.destination {
  border-right: 0;
  border-left: 1px solid rgba(255, 157, 34, 0.18);
}

.preview-title small,
.preview-title strong {
  display: block;
}

.preview-title small {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.preview-title strong {
  margin-top: 4px;
  font-size: 34px;
  line-height: 1;
}

.mini-card {
  margin-top: 18px;
  padding: 18px;
  border: 1px solid rgba(255, 157, 34, 0.2);
  border-radius: 8px;
  background: rgba(63, 19, 24, 0.78);
}

.mini-card.active {
  border-color: rgba(255, 157, 34, 0.72);
  background: rgba(96, 38, 32, 0.72);
}

.mini-card strong,
.mini-card span,
.mini-card em {
  display: block;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mini-card strong {
  font-size: 17px;
}

.mini-card span {
  margin-top: 12px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.mini-card em {
  margin-top: 16px;
  color: var(--yellow);
  font-size: 12px;
  font-style: normal;
  font-weight: 900;
}

.preview-main {
  background: rgba(31, 5, 9, 0.94);
}

.preview-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 157, 34, 0.16);
}

.preview-head strong,
.preview-head span {
  display: block;
}

.preview-head strong {
  font-size: 28px;
}

.preview-head span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.preview-head button {
  min-width: 92px;
  min-height: 40px;
  border-radius: 7px;
  color: #170204;
  background: var(--orange);
  font-weight: 900;
}

.task-preview {
  margin-top: 18px;
  padding: 18px;
  border: 1px solid rgba(255, 157, 34, 0.24);
  border-radius: 8px;
  background: rgba(52, 17, 20, 0.82);
}

.task-preview.queued {
  opacity: 0.78;
}

.task-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
}

.task-index {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 50%;
  color: #170204;
  background: var(--orange);
  font-size: 16px;
  font-weight: 950;
}

.task-row strong,
.task-row small {
  display: block;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.task-row strong {
  font-size: 18px;
}

.task-row small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.task-row em {
  color: #f2d9cf;
  font-style: normal;
  font-size: 12px;
  font-weight: 900;
}

.speed-row,
.progress-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
  margin-top: 14px;
  border-radius: 7px;
}

.speed-row {
  border: 1px solid rgba(255, 157, 34, 0.28);
  color: #f1c6b8;
  background: rgba(255, 157, 34, 0.09);
  font-size: 12px;
  font-weight: 850;
}

.speed-row span {
  min-width: 0;
  overflow: hidden;
  padding: 10px 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.speed-row span + span {
  border-left: 1px solid rgba(255, 157, 34, 0.2);
}

.progress-row {
  min-height: 50px;
}

.copy-progress,
.verify-progress {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-width: 0;
  padding: 0 14px;
  color: #f7fbff;
  font-size: 13px;
  font-weight: 950;
}

.copy-progress {
  background: linear-gradient(90deg, var(--blue) 0 72%, rgba(47, 143, 227, 0.45) 72% 100%);
}

.verify-progress {
  background: linear-gradient(90deg, var(--lime) 0 38%, rgba(133, 185, 29, 0.45) 38% 100%);
}

.workflow,
.feature-band,
.pricing,
.download {
  padding: 84px 0;
  border-top: 1px solid rgba(255, 157, 34, 0.16);
}

.section-heading {
  max-width: 820px;
}

.section-heading.compact {
  max-width: 680px;
}

.section-heading h2,
.feature-intro h2,
.download h2 {
  margin: 0;
  font-size: clamp(34px, 4.5vw, 58px);
  line-height: 1.05;
  letter-spacing: 0;
}

.section-heading p,
.feature-intro p,
.download p {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.78;
  font-weight: 650;
}

.workflow-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 42px;
}

.workflow-track article,
.feature-list article,
.price-grid article,
.download-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(42, 9, 15, 0.7);
}

.workflow-track article {
  min-height: 240px;
  padding: 24px;
}

.workflow-track span {
  color: var(--orange);
  font-size: 14px;
  font-weight: 950;
}

.workflow-track h3,
.feature-list h3 {
  margin: 34px 0 0;
  font-size: 22px;
  line-height: 1.2;
}

.workflow-track p,
.feature-list p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.76;
  font-weight: 650;
}

.feature-band {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
  gap: 48px;
}

.feature-intro {
  align-self: start;
  position: sticky;
  top: 116px;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.feature-list article {
  min-height: 210px;
  padding: 24px;
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 36px;
}

.price-grid article {
  min-height: 190px;
  padding: 24px;
}

.price-grid .featured-price {
  border-color: rgba(255, 157, 34, 0.75);
  background: linear-gradient(180deg, rgba(255, 157, 34, 0.18), rgba(45, 10, 16, 0.84));
}

.price-grid small,
.price-grid strong,
.price-grid span {
  display: block;
}

.price-grid small {
  color: var(--muted);
  font-size: 14px;
  font-weight: 850;
}

.price-grid strong {
  margin-top: 18px;
  font-size: clamp(28px, 3vw, 38px);
  line-height: 1;
}

.price-grid span {
  margin-top: 16px;
  color: var(--muted);
  font-weight: 700;
}

.download {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.72fr);
  align-items: center;
  gap: 48px;
}

.download-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px;
}

.download-panel span,
.download-panel strong,
.download-panel small {
  display: block;
}

.download-panel span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.download-panel strong {
  margin-top: 8px;
  font-size: 24px;
}

.download-panel small {
  margin-top: 8px;
  color: var(--muted-2);
  font-size: 13px;
  font-weight: 750;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 92px;
  padding: 0 clamp(24px, 4vw, 64px);
  border-top: 1px solid rgba(255, 157, 34, 0.16);
  color: var(--muted);
  background: #0c0003;
  font-size: 14px;
  font-weight: 750;
}

@media (max-width: 1080px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-nav {
    order: 3;
    grid-column: 1 / -1;
    justify-self: center;
  }

  .hero,
  .feature-band,
  .download {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .product-preview {
    width: 100%;
  }

  .feature-intro {
    position: static;
  }

  .workflow-track,
  .price-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .site-header {
    min-height: auto;
    padding: 14px 18px;
  }

  .brand img {
    width: 38px;
    height: 38px;
  }

  .header-download {
    display: none;
  }

  .site-nav {
    width: 100%;
    overflow-x: auto;
    justify-content: flex-start;
  }

  .site-nav a {
    min-width: 68px;
    padding-inline: 12px;
  }

  .section-shell {
    width: min(100% - 28px, 1180px);
  }

  .hero {
    padding-top: 40px;
    padding-bottom: 52px;
  }

  .hero h1 {
    font-size: clamp(46px, 13vw, 54px);
    line-height: 0.98;
  }

  .hero-slogan {
    font-size: 31px;
  }

  .hero-text,
  .section-heading p,
  .feature-intro p,
  .download p {
    font-size: 15px;
  }

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

  .preview-head {
    align-items: stretch;
    flex-direction: column;
  }

  .preview-head button {
    width: 100%;
  }

  .task-row {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .task-row em {
    grid-column: 2;
  }

  .preview-rail,
  .preview-rail.destination {
    border-right: 0;
    border-left: 0;
    border-bottom: 1px solid rgba(255, 157, 34, 0.18);
  }

  .workflow-track,
  .feature-list,
  .price-grid {
    grid-template-columns: 1fr;
  }

  .download-panel {
    align-items: flex-start;
    flex-direction: column;
  }

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

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

  *,
  *::before,
  *::after {
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
  }
}