:root {
  --bg: #0a0a0a;
  --panel: #141416;
  --border: rgba(255, 255, 255, 0.1);
  --text: rgba(255, 255, 255, 0.94);
  --dim: rgba(255, 255, 255, 0.52);
  

  --brand-blue: #75b5ff;
  --brand-teal: #29e4d5;
  --accent: var(--brand-teal);
  

  --grad-a: var(--brand-blue);
  --grad-b: var(--brand-teal);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  



  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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


.grid-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 80% 55% at 50% 0%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 55% at 50% 0%, #000 30%, transparent 75%);
  pointer-events: none;
}

main,
.nav {
  position: relative;
  z-index: 1;
}


.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  max-width: 1180px;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 17px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
  color: var(--dim);
}

.nav-links > a:not(.btn):hover {
  color: var(--text);
}


.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border-radius: 11px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: background 0.15s, transform 0.05s, border-color 0.15s;
  white-space: nowrap;
}

.btn:active {
  transform: translateY(1px);
}

.btn-sm {
  padding: 8px 14px;
  font-size: 13px;
  border-radius: 9px;
}

.btn-lg {
  padding: 14px 24px;
  font-size: 15.5px;
}

.btn-primary {
  background: #fff;
  color: #0a0a0a;
}

.btn-primary:hover {
  background: #e9e9ea;
}

.btn-secondary {
  background: #18181b;
  color: var(--text);
  border-color: var(--border);
}

.btn-secondary:hover {
  background: #202024;
}


.hero {
  max-width: 920px;
  margin: 0 auto;
  padding: 70px 24px 40px;
  text-align: center;
}

.badge {
  display: inline-block;
  padding: 6px 14px;
  margin-bottom: 26px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 12.5px;
  color: var(--dim);
  background: rgba(255, 255, 255, 0.03);
}

.hero h1 {
  font-size: clamp(42px, 8vw, 80px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin: 0 0 22px;
  font-weight: 800;
}

.grad {
  background: linear-gradient(120deg, var(--grad-a), var(--grad-b));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lede {
  max-width: 600px;
  margin: 0 auto 36px;
  font-size: 18px;
  color: var(--dim);
}

.cta {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-meta {
  margin: 18px 0 0;
  font-size: 13px;
  color: var(--dim);
}

.cta-meta a {
  color: var(--accent);
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  padding-bottom: 1px;
}

.cta-meta a:hover {
  border-color: var(--accent);
}


.window {
  margin-top: 60px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: #141416;
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.7);
}

.window img {
  display: block;
  width: 100%;
  height: auto;
}


.features {
  max-width: 1080px;
  margin: 0 auto;
  padding: 90px 24px;
}

.features h2,
.closer h2 {
  text-align: center;
  font-size: clamp(28px, 4vw, 38px);
  letter-spacing: -0.02em;
  margin: 0 0 48px;
  font-weight: 800;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(232px, 1fr));
  gap: 16px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  transition: border-color 0.15s, transform 0.15s;
}

.card:hover {
  border-color: rgba(255, 255, 255, 0.22);
  transform: translateY(-2px);
}

.card h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.card p {
  margin: 0;
  color: var(--dim);
  font-size: 14px;
}


.closer {
  text-align: center;
  padding: 80px 24px 100px;
}

.closer h2 {
  margin-bottom: 6px;
}

.closer p {
  color: var(--dim);
  font-size: 18px;
  margin: 0 0 30px;
}


.foot {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  padding: 40px 24px;
  text-align: center;
  color: var(--dim);
  font-size: 13px;
}

.foot-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--text);
}

.foot-links {
  display: flex;
  gap: 22px;
  justify-content: center;
  margin: 16px 0;
}

.foot-links a:hover {
  color: var(--text);
}

.legal {
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.6;
}





.downloads {
  max-width: 900px;
  margin: 0 auto;
  padding: 72px 24px 96px;
}
.dl-title {
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}
.dl-lede {
  margin: 0 0 40px;
}
.dl-version {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  color: var(--dim);
}


.dl-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}
.dl-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  
  min-height: 100%;
}
.dl-card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  color: var(--accent);
}
.dl-card-head h2 {
  font-size: 18px;
  font-weight: 600;
  margin: 0;
  color: var(--text);
}
.dl-note {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--dim);
  margin: 0 0 20px;
  
  flex: 1;
}
.dl-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.dl-meta {
  margin: 12px 0 0;
  font-size: 12.5px;
  color: var(--dim);
  font-variant-numeric: tabular-nums;
}



.dl-mobile {
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.dl-mobile h3 {
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 6px;
  color: var(--text);
}
.dl-mobile-note {
  font-size: 13px;
  line-height: 1.6;
  color: var(--dim);
  margin: 0 0 14px;
}
.dl-mobile-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}
.dl-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  font-size: 13.5px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.15s, background 0.15s;
}
.dl-chip:hover {
  border-color: var(--accent);
  background: rgba(41, 228, 213, 0.08);
}


.dl-chip-muted {
  opacity: 0.45;
  cursor: default;
}
.dl-chip-muted:hover {
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.03);
}





.btn-unavailable {
  opacity: 0.45;
  cursor: default;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: none;
}
.btn-unavailable:hover {
  opacity: 0.45;
  background: transparent;
  border-color: var(--border);
  transform: none;
}
.dl-empty {
  margin-top: 32px;
  font-size: 14px;
  color: var(--dim);
}



.dl-howto {
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.dl-howto h3 {
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 14px;
}
.dl-howto h3 + .dl-howto-note,
.dl-howto-list + h3 {
  margin-top: 28px;
}
.dl-howto-list {
  margin: 0;
}
.dl-howto-list dt {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--accent);
  margin-top: 16px;
}
.dl-howto-list dt:first-child {
  margin-top: 0;
}
.dl-howto-list dd {
  margin: 6px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--dim);
}
.dl-howto-note {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--dim);
  margin: 0 0 10px;
}
.dl-howto code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12.5px;
  padding: 1px 6px;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}
.dl-howto strong {
  color: var(--text);
  font-weight: 600;
}





.dl-card .btn {
  font-size: 13.5px;
  padding: 9px 16px;
  border-radius: 9px;
  gap: 7px;
}



.dl-tip {
  margin-top: 18px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.02);
}
.dl-tip summary {
  cursor: pointer;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--accent);
  list-style: none;
}
.dl-tip summary::-webkit-details-marker { display: none; }
.dl-tip summary::before {
  content: '▸ ';
  display: inline-block;
  transition: transform 0.15s;
}
.dl-tip[open] summary::before { transform: rotate(90deg); }
.dl-tip p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--dim);
  margin: 12px 0 0;
}
.dl-tip pre {
  margin: 10px 0 0;
  padding: 10px 12px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  overflow-x: auto;
}
.dl-tip pre code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12.5px;
  color: var(--text);
  background: none;
  padding: 0;
}





.pricing {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 64px 24px 96px;
}

.pr-title {
  font-size: clamp(28px, 4.4vw, 42px);
  line-height: 1.14;
  letter-spacing: -0.03em;
  margin: 0 0 12px;
  text-wrap: balance;
}

.pr-lede {
  max-width: 56ch;
  margin: 0 0 40px;
}

.pr-tiers {
  display: grid;
  gap: 16px;
  

  grid-template-columns: repeat(auto-fit, minmax(232px, 1fr));
}

.pr-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 26px 22px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
}



.pr-hot {
  border-color: rgba(41, 228, 213, 0.42);
  box-shadow: 0 0 0 1px rgba(41, 228, 213, 0.14), 0 18px 44px rgba(0, 0, 0, 0.34);
}

.pr-badge {
  position: absolute;
  top: -10px;
  left: 22px;
  padding: 5px 10px;
  border-radius: 6px;
  background: var(--accent);
  color: #04120f;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.pr-name {
  margin: 0;
  font-size: 17px;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.pr-desc {
  margin: 0;
  min-height: 2.6em;
  color: var(--dim);
  font-size: 12.5px;
}

.pr-prices {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pr-row {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
}

.pr-amt,
.pr-amt-free {
  font-size: 33px;
  font-weight: 650;
  letter-spacing: -0.035em;
  
  font-variant-numeric: tabular-nums;
}




.pr-contact {
  font-size: 26px;
  font-weight: 650;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--text);
}



.pr-row-sub .pr-amt {
  font-size: 19px;
  color: var(--dim);
}

.pr-per {
  color: var(--dim);
  font-size: 12.5px;
  margin: 0;
}

.pr-was {
  color: rgba(255, 255, 255, 0.34);
  font-size: 12.5px;
  text-decoration: line-through;
  font-variant-numeric: tabular-nums;
}

.pr-save,
.pr-promo {
  padding: 4px 8px;
  border-radius: 5px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.pr-save {
  background: rgba(41, 228, 213, 0.14);
  color: var(--accent);
}

.pr-promo {
  background: rgba(117, 181, 255, 0.14);
  color: var(--brand-blue);
}

.pr-feat {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.pr-feat li {
  display: flex;
  gap: 9px;
  align-items: flex-start;
  font-size: 13px;
  color: var(--dim);
}

.pr-tick {
  color: var(--accent);
  font-weight: 700;
  flex: none;
}




.pr-tick-no {
  color: var(--dim);
  font-weight: 400;
}



.pr-cmp {
  margin-top: 56px;
}

.pr-cmp h2 {
  font-size: 19px;
  margin: 0 0 4px;
  letter-spacing: -0.015em;
}

.pr-cmp-sub {
  color: var(--dim);
  font-size: 13px;
  margin: 0 0 16px;
}


.pr-scroll {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
}

.pr-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 13px;
}

.pr-table th,
.pr-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.pr-table thead th {
  background: rgba(255, 255, 255, 0.03);
  font-weight: 650;
}

.pr-table tbody tr:last-child th,
.pr-table tbody tr:last-child td {
  border-bottom: none;
}

.pr-table tbody th {
  font-weight: 500;
}

.pr-table tbody th b {
  display: block;
  font-weight: 600;
}

.pr-table tbody th small {
  color: rgba(255, 255, 255, 0.34);
  font-size: 11.5px;
}

.pr-table .pr-c {
  text-align: center;
  font-variant-numeric: tabular-nums;
}





.pr-table tbody[hidden] {
  display: none;
}


.pr-table .pr-grp th {
  background: rgba(255, 255, 255, 0.045);
  border-top: 1px solid var(--border);
  color: var(--dim);
  font-size: 11.5px;
  font-weight: 650;
  letter-spacing: 0.08em;
}

.pr-table .pr-feat-rows th b {
  font-weight: 500;
}


.pr-table .pr-yes {
  color: var(--accent);
}

.pr-table .pr-no {
  color: rgba(255, 255, 255, 0.22);
}

.pr-more {
  margin-top: 14px;
  padding: 9px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}

.pr-more:hover {
  border-color: rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.04);
}

.pr-note {
  margin-top: 28px;
  color: var(--dim);
  font-size: 12.5px;
  max-width: 70ch;
}














@media (max-width: 560px) {
  .nav {
    padding: 14px 16px;
    gap: 10px;
  }
  
  .brand,
  .nav-links > a {
    white-space: nowrap;
  }
  .nav-links {
    gap: 12px;
  }
  
  .nav-links > .btn-sm > svg {
    display: none;
  }
}
