:root {
  color-scheme: dark;
  --ground: #0c0e11;
  --surface: #14171c;
  --surface-2: #1b1f26;
  --surface-3: #24282d;
  --hairline: #2a2f38;
  --ink: #e8eaed;
  --ink-muted: #aab0ba;
  --ink-subtle: #858c97;
  --accent: #b8e04a;
  --accent-ink: #16200a;
  --accent-soft: rgb(184 224 74 / .12);
  --r-panel: 16px;
  --r-media: 12px;
  --r-control: 10px;
  --r-chip: 6px;
  --r-pill: 999px;
  --nav-h: 68px;
  --shadow: 0 26px 80px rgb(1 3 5 / .42);
  --ease: cubic-bezier(.16, 1, .3, 1);
  font-family: "PingFang SC", "Hiragino Sans GB", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: radial-gradient(circle at 16% 2%, rgb(184 224 74 / .075), transparent 28rem), var(--ground);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--accent); color: var(--accent-ink); }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
h1, h2, h3, p { text-wrap: pretty; }
.wrap { width: min(1120px, calc(100% - 48px)); margin-inline: auto; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 100; transform: translateY(-160%); border-radius: var(--r-control); background: var(--accent); color: var(--accent-ink); padding: 10px 14px; font-weight: 700; }
.skip-link:focus { transform: none; }
:where(a, button, summary):focus-visible { outline: 3px solid rgb(184 224 74 / .45); outline-offset: 3px; }

.nav { position: sticky; top: 0; z-index: 40; height: var(--nav-h); border-bottom: 1px solid rgb(255 255 255 / .06); background: rgb(12 14 17 / .88); -webkit-backdrop-filter: blur(18px) saturate(140%); backdrop-filter: blur(18px) saturate(140%); }
.nav-inner { height: 100%; display: flex; align-items: center; gap: 26px; }
.brand { display: inline-flex; align-items: center; gap: 10px; white-space: nowrap; font-size: 17px; font-weight: 800; }
.brand img { width: 30px; height: 30px; border-radius: 8px; }
.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-links a { padding: 8px 11px; border-radius: var(--r-control); color: var(--ink-muted); font-size: 14px; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--ink); background: var(--surface-2); }
.nav-spacer { flex: 1; }
.nav-menu-toggle, .mobile-menu { display: none; }
.button { display: inline-flex; min-height: 44px; align-items: center; justify-content: center; gap: 8px; border: 1px solid var(--hairline); border-radius: var(--r-control); padding: 0 18px; background: var(--surface-2); color: var(--ink); font-size: 14px; font-weight: 700; white-space: nowrap; transition: transform .25s var(--ease), border-color .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); border-color: #444b56; background: var(--surface-3); }
.button:active { transform: scale(.98); }
.button-primary { border-color: var(--accent); background: var(--accent); color: var(--accent-ink); }
.button-primary:hover { border-color: #c8ee5b; background: #c8ee5b; }

.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; padding-top: 28px; color: var(--ink-subtle); font-size: 13px; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span::before { content: "/"; margin-right: 8px; color: #535a64; }
.content-hero { display: grid; min-height: min(720px, calc(100dvh - var(--nav-h))); grid-template-columns: .82fr 1.18fr; align-items: center; gap: 58px; padding: 46px 0 74px; }
.hero-copy { max-width: 560px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 18px; color: var(--accent); font-size: 13px; font-weight: 700; }
.eyebrow i { font-size: 18px; }
h1 { margin: 0; font-size: clamp(42px, 5vw, 66px); line-height: 1.06; letter-spacing: -.045em; }
.hero-copy > p { max-width: 35em; margin: 22px 0 28px; color: var(--ink-muted); font-size: 17px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-media, .media-frame { overflow: hidden; border: 1px solid var(--hairline); border-radius: var(--r-panel); background: var(--surface); box-shadow: var(--shadow); }
.hero-media img, .media-frame img { width: 100%; height: auto; }
.media-caption { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 17px; border-top: 1px solid var(--hairline); color: var(--ink-subtle); font-size: 12.5px; }
.media-caption strong { color: var(--ink); }

.article-section { padding: 92px 0; }
.article-section + .article-section { border-top: 1px solid var(--hairline); }
.section-heading { max-width: 700px; margin-bottom: 38px; }
.section-heading h2 { margin: 0 0 13px; font-size: clamp(32px, 4.2vw, 50px); line-height: 1.12; letter-spacing: -.035em; }
.section-heading p { max-width: 46em; margin: 0; color: var(--ink-muted); }
.process-list { display: grid; grid-template-columns: 1.15fr .85fr; border-block: 1px solid var(--hairline); }
.process-item { display: grid; grid-template-columns: 48px 1fr; gap: 18px; padding: 30px 24px; }
.process-item:nth-child(odd) { border-right: 1px solid var(--hairline); }
.process-item:nth-child(n+3) { border-top: 1px solid var(--hairline); }
.process-icon { width: 44px; height: 44px; display: grid; place-items: center; border-radius: var(--r-control); background: var(--accent-soft); color: var(--accent); font-size: 22px; }
.process-item h3 { margin: 0 0 6px; font-size: 21px; }
.process-item p { margin: 0; color: var(--ink-subtle); font-size: 14px; }
.process-item a { color: var(--accent); text-underline-offset: 4px; }
.process-item a:hover { text-decoration: underline; }

.feature-split { display: grid; grid-template-columns: 1.25fr .75fr; align-items: start; gap: 34px; }
.feature-copy { padding: 18px 4px; }
.feature-copy h2 { margin: 0 0 15px; font-size: clamp(32px, 4vw, 48px); line-height: 1.12; letter-spacing: -.035em; }
.feature-copy > p { margin: 0 0 24px; color: var(--ink-muted); }
.plain-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--hairline); }
.plain-list li { display: grid; grid-template-columns: 28px 1fr; gap: 10px; padding: 17px 0; border-bottom: 1px solid var(--hairline); color: var(--ink-muted); }
.plain-list i { margin-top: 4px; color: var(--accent); font-size: 18px; }
.media-pair { display: grid; grid-template-columns: 1.08fr .92fr; gap: 18px; }
.media-pair .media-frame:first-child { align-self: start; }
.media-pair .media-frame img { aspect-ratio: 16 / 10; object-fit: cover; object-position: left top; }

.method-grid { display: grid; grid-template-columns: 1.15fr .85fr; border-block: 1px solid var(--hairline); }
.method-card { min-height: 174px; padding: 26px; }
.method-card:nth-child(odd) { border-right: 1px solid var(--hairline); }
.method-card:nth-child(n+3) { border-top: 1px solid var(--hairline); }
.method-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.method-head i { color: var(--accent); font-size: 24px; }
.key { display: inline-flex; min-width: 32px; min-height: 27px; align-items: center; justify-content: center; border: 1px solid #414750; border-bottom-color: #5b636f; border-radius: var(--r-chip); padding: 2px 8px; background: var(--surface-2); color: var(--ink-muted); font: 700 11px ui-monospace, SFMono-Regular, Menlo, monospace; }
.method-card h3 { margin: 0 0 7px; font-size: 20px; }
.method-card p { margin: 0; color: var(--ink-subtle); font-size: 14px; }
.method-card strong { color: var(--ink); }
.story-grid { display: grid; grid-template-columns: 1.4fr .6fr; gap: 18px; }
.story-stack { display: grid; gap: 18px; }
.story-grid img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.story-note { margin-top: 26px; border-left: 2px solid var(--accent); padding: 4px 0 4px 16px; color: var(--ink-muted); }
.outcome-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.outcome-copy { padding: 22px 2px 4px; }
.outcome-copy h3 { margin: 0 0 8px; font-size: 24px; }
.outcome-copy p { margin: 0; color: var(--ink-muted); }

.checklist { display: grid; border-block: 1px solid var(--hairline); }
.check-row { display: grid; grid-template-columns: 44px minmax(0, 1fr) auto; align-items: center; gap: 16px; padding: 22px 4px; }
.check-row + .check-row { border-top: 1px solid var(--hairline); }
.check-row i { width: 40px; height: 40px; display: grid; place-items: center; border-radius: var(--r-control); background: var(--accent-soft); color: var(--accent); font-size: 20px; }
.check-row h3 { margin: 0 0 3px; font-size: 17px; }
.check-row p { margin: 0; color: var(--ink-subtle); font-size: 13.5px; }
.check-status { color: var(--accent); font-size: 13px; font-weight: 700; }
.troubleshoot { max-width: 880px; }
.troubleshoot details { border-bottom: 1px solid var(--hairline); }
.troubleshoot details:first-child { border-top: 1px solid var(--hairline); }
.troubleshoot summary { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 24px 2px; cursor: pointer; font-size: 18px; font-weight: 700; list-style: none; }
.troubleshoot summary::-webkit-details-marker { display: none; }
.troubleshoot summary::after { content: "+"; color: var(--accent); font-size: 24px; font-weight: 400; }
.troubleshoot details[open] summary::after { content: "×"; }
.answer { max-width: 760px; padding: 0 0 26px; color: var(--ink-muted); }
.answer p { margin: 0 0 12px; }
.answer ol { margin: 0; padding-left: 1.3em; }
.answer li + li { margin-top: 8px; }
.platform-note { display: grid; grid-template-columns: .9fr 1.1fr; overflow: hidden; border: 1px solid var(--hairline); border-radius: var(--r-panel); background: var(--surface); }
.platform-note article { padding: 34px; }
.platform-note article + article { border-left: 1px solid var(--hairline); background: var(--surface-2); }
.platform-note i { color: var(--accent); font-size: 29px; }
.platform-note h3 { margin: 17px 0 8px; font-size: 23px; }
.platform-note p { margin: 0; color: var(--ink-muted); }

.related { padding: 74px 0; border-top: 1px solid var(--hairline); }
.related-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 18px; }
.related-link { display: grid; grid-template-columns: 1fr auto; align-items: end; min-height: 180px; border: 1px solid var(--hairline); border-radius: var(--r-panel); padding: 26px; background: var(--surface); }
.related-link:hover { border-color: #444b56; background: var(--surface-2); }
.related-link small { display: block; margin-bottom: 8px; color: var(--ink-subtle); }
.related-link strong { display: block; max-width: 15em; font-size: 23px; line-height: 1.25; }
.related-link i { color: var(--accent); font-size: 25px; }

.cta { padding: 88px 0 102px; text-align: center; }
.cta h2 { margin: 0; font-size: clamp(34px, 4.8vw, 54px); line-height: 1.12; letter-spacing: -.035em; }
.cta p { margin: 15px 0 25px; color: var(--ink-muted); }
.cta .hero-actions { justify-content: center; }
footer { border-top: 1px solid var(--hairline); background: #101216; padding: 38px 0 26px; }
.footer-main, .footer-bottom { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px 28px; }
.footer-main nav { display: flex; flex-wrap: wrap; gap: 8px 22px; color: var(--ink-muted); font-size: 13px; }
.footer-main nav a:hover { color: var(--accent); }
.footer-bottom { margin-top: 22px; border-top: 1px solid var(--hairline); padding-top: 20px; color: var(--ink-subtle); font-size: 12px; }
.footer-bottom a:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 4px; }

@media (max-width: 920px) {
  .content-hero, .feature-split { grid-template-columns: 1fr; }
  .content-hero { min-height: auto; padding-top: 42px; }
  .hero-copy { max-width: 680px; }
  .story-grid, .media-pair { grid-template-columns: 1fr; }
  .story-stack { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  :root { --nav-h: 62px; }
  .wrap { width: min(100% - 32px, 1120px); }
  .nav-links { display: none; }
  .nav-inner { gap: 12px; }
  .nav .button { min-height: 38px; padding-inline: 12px; font-size: 13px; }
  .nav .button { width: 38px; padding-inline: 0; font-size: 0; }
  .nav .button i { font-size: 18px; }
  .nav-menu-toggle { display: inline-grid; width: 38px; height: 38px; place-items: center; margin-left: 2px; border: 1px solid var(--hairline); border-radius: var(--r-control); background: var(--surface-2); color: var(--ink); cursor: pointer; }
  .nav-menu-toggle i { font-size: 19px; }
  .mobile-menu { position: absolute; top: calc(100% + 8px); left: 16px; right: 16px; display: grid; gap: 4px; padding: 8px; border: 1px solid var(--hairline); border-radius: var(--r-panel); background: rgb(20 23 28 / .98); box-shadow: var(--shadow); }
  .mobile-menu[hidden] { display: none; }
  .mobile-menu a { padding: 12px 13px; border-radius: var(--r-control); color: var(--ink-muted); font-size: 14px; }
  .mobile-menu a:hover, .mobile-menu a:focus-visible { background: var(--surface-2); color: var(--ink); }
  .breadcrumb { padding-top: 20px; }
  .content-hero { gap: 34px; padding: 34px 0 56px; }
  h1 { font-size: clamp(38px, 12vw, 54px); }
  .hero-copy > p { font-size: 16px; }
  .hero-actions { display: grid; }
  .hero-actions .button { width: 100%; }
  .article-section { padding: 68px 0; }
  .section-heading { margin-bottom: 28px; }
  .process-list, .method-grid, .outcome-grid, .platform-note, .related-grid { grid-template-columns: 1fr; }
  .process-item:nth-child(odd), .method-card:nth-child(odd) { border-right: 0; }
  .process-item + .process-item, .method-card + .method-card { border-top: 1px solid var(--hairline); }
  .story-stack { grid-template-columns: 1fr; }
  .check-row { grid-template-columns: 40px 1fr; }
  .check-status { grid-column: 2; }
  .platform-note article + article { border-left: 0; border-top: 1px solid var(--hairline); }
  .related-link { min-height: 150px; }
  .footer-main { align-items: flex-start; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}