:root {
  color-scheme: dark;
  --bg: #07111f;
  --surface: #0d1b2d;
  --ink: #f1f7fc;
  --muted: #a5b8cc;
  --teal: #6af0da;
  --blue: #7eaaff;
  --line: #a8d3f32b;
  --radius: 20px;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body { margin: 0; background: var(--bg); color: var(--ink); line-height: 1.65; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
img, svg { max-width: 100%; }
img { display: block; }
p { margin: 0 0 1em; color: var(--muted); }
h1, h2, h3, h4 { margin: 0 0 .5em; line-height: 1.24; }
h1 { font-size: clamp(2.6rem, 5vw, 5.15rem); letter-spacing: -.07em; }
h2 { font-size: clamp(2rem, 3.5vw, 3.4rem); letter-spacing: -.055em; }
h3 { font-size: 1.2rem; letter-spacing: -.02em; }
em { font-style: normal; color: var(--teal); }
small { color: var(--muted); }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 4px; }
::selection { color: #071c25; background: var(--teal); }
[hidden] { display: none !important; }
.wrap { width: min(1192px, 100% - 72px); margin-inline: auto; }
header { position: sticky; z-index: 10; top: 0; background: #07111feb; border-bottom: 1px solid var(--line); backdrop-filter: blur(18px); }
.nav { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.nav > div, .nav > nav { display: flex; align-items: center; gap: 24px; }
.nav a:not(.btn):not(.brand) { font-size: .9rem; color: var(--muted); }
.nav a:hover:not(.btn):not(.brand) { color: var(--teal); }
.brand { flex: none; display: inline-flex; align-items: center; gap: 11px; font-weight: 750; }
.brand > span:first-child, .logo, .mark { display: inline-grid; place-items: center; min-width: 35px; min-height: 35px; padding-inline: 6px; background: linear-gradient(145deg,#8af4e0,#65a8ff); color: #081b2a; border-radius: 10px; font-weight: 850; }
.hero { position: relative; isolation: isolate; overflow: clip; padding: clamp(72px, 9vw, 130px) 0 clamp(64px, 8vw, 116px); border-bottom: 1px solid var(--line); }
.hero::before, .hero::after { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.hero::before { background: radial-gradient(ellipse at 76% 44%,#15456b89,transparent 62%), radial-gradient(ellipse at 12% 5%,#16404370,transparent 46%); }
.hero::after { background-image: linear-gradient(#a6d8fb12 1px,transparent 1px),linear-gradient(90deg,#a6d8fb12 1px,transparent 1px); background-size: 42px 42px; mask-image: linear-gradient(90deg,transparent 8%,black 100%); opacity: .62; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr); align-items: center; gap: clamp(28px,5vw,72px); }
.hero-copy > p:not(.eyebrow) { max-width: 36rem; font-size: clamp(1rem,1.4vw,1.2rem); }
.hero h1 strong, .hero h1 span { color: var(--teal); }
.eyebrow, .kicker { display: inline-flex; align-items: center; gap: 9px; color: var(--teal); letter-spacing: .12em; font-weight: 700; font-size: .77rem; margin-bottom: 16px; }
.eyebrow::before { content: ""; width: 17px; height: 1px; background: currentColor; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.btn { min-height: 46px; display: inline-flex; align-items: center; justify-content: center; gap: 7px; padding: 10px 19px; font-size: .9rem; line-height: 1.4; font-weight: 750; color: var(--ink); background: #ffffff08; border: 1px solid var(--line); border-radius: 10px; transition: background-color .2s, transform .2s; }
.btn:hover { transform: translateY(-2px); background: #ffffff13; }
.btn.primary, .primary { color: #09212b; background: linear-gradient(110deg,#76f1d8,#82b8ff); border-color: transparent; }
.btn.primary:hover { color: #06151c; background: linear-gradient(110deg,#a1f9e8,#a8ccff); }
.preview { min-width: 0; position: relative; }
.window { overflow: hidden; border: 1px solid #9bcdff54; border-radius: var(--radius); background: #122438; box-shadow: 0 32px 80px #0006,0 0 45px #59bff51c; }
.window > header, .window-bar, .chrome { position: static; display: flex; gap: 8px; align-items: center; min-height: 38px; background: #132439; padding: 8px 14px; border-bottom: 1px solid var(--line); font-size: .75rem; color: var(--muted); }
.screen, .shot { background: #102035; overflow: hidden; }
.screen img, .shot img, img.screen, img.shot { width: 100%; object-fit: contain; }
.metrics { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1px; margin-top: 14px; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: var(--line); }
.metrics > * { min-width: 0; padding: 11px 13px; background: #0e2032; color: var(--muted); font-size: .8rem; }
.metrics strong { display: block; color: var(--teal); font-size: 1rem; }
.section { padding: clamp(62px, 8vw, 110px) 0; }
.section + .section { border-top: 1px solid var(--line); }
.section-head { max-width: 740px; margin: 0 0 36px; }
.section-head p { max-width: 640px; }
.grid, .status-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; }
.card, .status-grid > * { position: relative; min-width: 0; padding: clamp(18px, 3vw, 30px); background: linear-gradient(145deg,#101f33,#0a1728); border: 1px solid var(--line); border-radius: var(--radius); }
.card p:last-child, .status-grid p:last-child { margin-bottom: 0; }
.card svg, .card .icon { width: 32px; height: 32px; margin-bottom: 16px; color: var(--teal); }
.workflow { background: linear-gradient(150deg,#0d233599,#0a172566 65%),var(--bg); }
.steps { display: grid; grid-template-columns: repeat(auto-fit,minmax(152px,1fr)); gap: 14px; }
.step { min-width: 0; padding: 18px 14px 10px; border-top: 1px solid #69efda62; }
.step > span:first-child { color: var(--teal); font-family: ui-monospace, monospace; font-size: .9rem; }
.step p { font-size: .9rem; }
.case-grid { display: grid; grid-template-columns: minmax(0,.85fr) minmax(0,1.2fr); align-items: start; gap: 26px; }
.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.tab { padding: 9px 14px; color: var(--muted); background: var(--surface); border: 1px solid var(--line); border-radius: 8px; }
.tab:hover { color: var(--ink); }
.tab[aria-selected="true"], .tab.active { background: #153942; border-color: #6af0da76; color: var(--teal); }
.panel { min-width: 0; }
.shot { margin: 0; border-radius: 14px; border: 1px solid var(--line); }
.shot figcaption { padding: 8px 14px; color: var(--muted); font-size: .82rem; }
.cta { padding: clamp(30px, 6vw, 70px); border: 1px solid #65dccc52; border-radius: var(--radius); background: radial-gradient(ellipse at 90% 0%,#20496975,transparent 72%),#0d2133; }
.footer { padding-block: 28px; border-top: 1px solid var(--line); color: var(--muted); font-size: .87rem; }
.footer > .wrap { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px 30px; }
@media (max-width: 900px) {
  .wrap { width: min(100% - 40px, 780px); }
  .hero-grid, .case-grid { grid-template-columns: 1fr; }
  .hero-copy > p:not(.eyebrow) { max-width: 46rem; }
  .grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .nav > div, .nav > nav { gap: 12px; }
}
@media (max-width: 600px) {
  .wrap { width: calc(100% - 32px); }
  .nav { min-height: 60px; gap: 10px; flex-wrap: wrap; padding-block: 10px; }
  .nav > nav { flex-wrap: wrap; gap: 5px 12px; }
  .nav a:not(.btn):not(.brand) { font-size: .8rem; }
  .nav .btn { min-height: 38px; padding: 7px 10px; }
  .grid, .status-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 56px; }
  .steps { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .metrics > * { padding: 8px; font-size: .73rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}
