:root {
  color-scheme: dark;
  font-family: Inter, "Segoe UI", -apple-system, BlinkMacSystemFont, "Microsoft YaHei", sans-serif;
  color: #d9dfe5;
  background: #0c1015;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  --guide-accent: #c7f36b;
  --guide-muted: #a3afba;
  --guide-border: #2b3540;
}
* { box-sizing: border-box; }
body { margin: 0; line-height: 1.75; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .22em; }
a:hover { color: var(--guide-accent); }
a:focus-visible, summary:focus-visible, [tabindex]:focus-visible { outline: 2px solid var(--guide-accent); outline-offset: 5px; }
::selection { color: #fff; background: #41552b; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { color: #edf2f6; line-height: 1.25; }
p { margin-bottom: 1em; }
section[id] { scroll-margin-top: 28px; }
.guide-skip { position: absolute; left: 16px; top: 10px; z-index: 10; padding: 10px 16px; background: var(--guide-accent); color: #17200d; transform: translateY(-160%); }
.guide-skip:focus { transform: translateY(0); color: #17200d; }
.guide-site-header { border-bottom: 1px solid var(--guide-border); background: #0e141a; }
.guide-header-inner, .guide-main, .guide-footer { width: min(1184px, calc(100% - 64px)); margin-inline: auto; }
.guide-header-inner { min-height: 86px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.guide-brand { display: inline-flex; align-items: center; gap: 10px; color: #f1f5f7; font-size: 25px; font-weight: 800; letter-spacing: -1.2px; text-decoration: none; white-space: nowrap; }
.guide-brand svg { flex: 0 0 auto; color: var(--guide-accent); }
.guide-brand-accent { color: var(--guide-accent); }
.guide-header-nav { display: flex; align-items: center; gap: 28px; font-size: 14px; }
.guide-header-nav > a:not(.guide-button) { color: var(--guide-muted); }
.guide-button { display: inline-flex; align-items: center; justify-content: center; gap: 26px; flex-shrink: 0; min-height: 48px; padding: 11px 19px; border: 1px solid var(--guide-accent); border-radius: 5px; background: var(--guide-accent); color: #18220e; font-size: 14px; font-weight: 650; text-decoration: none; line-height: 1.5; }
.guide-button:hover { background: #d4fa8c; border-color: #d4fa8c; color: #18220e; }
.guide-button-small { min-height: 40px; padding: 8px 14px; gap: 14px; font-size: 13px; }
.guide-breadcrumb { margin: 25px 0 48px; font-size: 12px; color: var(--guide-muted); }
.guide-breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 12px; margin: 0; padding: 0; }
.guide-breadcrumb li + li::before { content: "/"; padding-right: 12px; color: #63717e; }
.guide-breadcrumb a { text-decoration: none; }
.guide-hero { max-width: 920px; padding-bottom: 50px; }
.guide-eyebrow { color: var(--guide-accent); font-size: 11px; font-weight: 650; letter-spacing: .14em; line-height: 1.6; }
.guide-hero > .guide-eyebrow { margin-bottom: 18px; }
.guide-hero h1 { font-size: clamp(34px, 4.5vw, 58px); line-height: 1.12; letter-spacing: -.045em; margin-bottom: 26px; max-width: 850px; text-wrap: balance; }
html[lang^="zh"] .guide-hero h1 { line-height: 1.3; letter-spacing: -.025em; }
.guide-intro { max-width: 780px; color: #b9c4cd; font-size: 17px; }
.guide-intro p + p { color: var(--guide-muted); font-size: 15px; }
.guide-hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 20px 28px; margin-top: 30px; }
.guide-local-link { color: #b6c8a3; font-size: 12px; text-decoration: none; }
.guide-local-link span { color: var(--guide-accent); font-size: 8px; padding-right: 8px; vertical-align: middle; }
.guide-capabilities { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border: 1px solid var(--guide-border); border-radius: 6px; background: #12181f; margin-bottom: 64px; overflow: hidden; }
.guide-capability { padding: 26px; }
.guide-capability + .guide-capability { border-left: 1px solid var(--guide-border); }
.guide-index { display: block; color: var(--guide-accent); font-size: 11px; font-variant-numeric: tabular-nums; letter-spacing: .1em; margin-bottom: 24px; }
.guide-capability h2 { font-size: 17px; margin-bottom: 12px; }
.guide-capability p { margin: 0; font-size: 14px; color: var(--guide-muted); }
.guide-content-grid { display: grid; grid-template-columns: 235px minmax(0, 1fr); gap: 64px; align-items: start; }
.guide-contents { position: sticky; top: 28px; padding-right: 20px; }
.guide-contents nav { display: flex; flex-direction: column; align-items: start; gap: 14px; }
.guide-contents p { font-size: 10px; letter-spacing: .14em; color: #b2bfca; font-weight: 650; margin-bottom: 6px; }
.guide-contents a { text-decoration: none; color: var(--guide-muted); font-size: 12px; line-height: 1.55; border-left: 1px solid var(--guide-border); padding-left: 13px; }
.guide-contents a:hover { color: var(--guide-accent); border-color: var(--guide-accent); }
.guide-content { min-width: 0; max-width: 820px; }
.guide-section { margin-bottom: 48px; }
.guide-section h2 { font-size: clamp(22px, 2.2vw, 28px); letter-spacing: -.025em; margin-bottom: 22px; }
.guide-section p, .guide-list { font-size: 15px; color: #afbbc5; }
.guide-steps { margin: 0; padding: 0; list-style: none; counter-reset: guide-step; }
.guide-steps li { position: relative; padding: 2px 0 27px 48px; counter-increment: guide-step; }
.guide-steps li:last-child { padding-bottom: 0; }
.guide-steps li::before { content: counter(guide-step); position: absolute; left: 0; top: 0; width: 29px; height: 29px; display: grid; place-items: center; border: 1px solid #3d4d32; border-radius: 5px; background: #182119; color: var(--guide-accent); font-size: 12px; font-variant-numeric: tabular-nums; }
.guide-steps h3 { margin-bottom: 8px; font-size: 17px; line-height: 1.5; }
.guide-steps p { margin: 0; }
.guide-list { padding-left: 22px; }
.guide-list li { padding-left: 5px; margin-bottom: 14px; }
.guide-list li::marker { color: var(--guide-accent); }
.guide-table-wrap { overflow-x: auto; margin: 20px 0; border: 1px solid var(--guide-border); border-radius: 5px; }
table { border-collapse: collapse; width: 100%; text-align: left; font-size: 14px; line-height: 1.7; }
th, td { padding: 15px 18px; vertical-align: top; }
thead { background: #19212a; color: #e0e7ed; font-size: 12px; }
tbody { background: #10171e; color: #afbbc5; }
tbody tr + tr { border-top: 1px solid var(--guide-border); }
tbody th { width: 35%; font-weight: 500; color: #d4dde5; }
#local-processing { border-left: 2px solid var(--guide-accent); padding: 24px 26px 12px; background: #141c18; }
#local-processing h2 { font-size: 21px; }
#local-processing p { color: #b0c0b2; font-size: 14px; }
.guide-faq details { border-top: 1px solid var(--guide-border); }
.guide-faq details:last-child { border-bottom: 1px solid var(--guide-border); }
.guide-faq summary { padding: 18px 4px; color: #d7e0e7; font-size: 15px; font-weight: 550; cursor: pointer; }
.guide-faq summary::marker { color: var(--guide-accent); }
.guide-faq details[open] summary { padding-bottom: 10px; }
.guide-faq details p { padding: 0 4px 9px; font-size: 14px; }
.guide-related { padding-top: 35px; border-top: 1px solid var(--guide-border); margin: 16px 0 52px; }
.guide-section-label > span { color: var(--guide-muted); letter-spacing: .14em; font-size: 10px; font-weight: 650; }
.guide-section-label h2 { margin-top: 9px; font-size: 25px; letter-spacing: -.025em; }
.guide-related-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.guide-related-link { display: flex; flex-direction: column; padding: 24px; border: 1px solid var(--guide-border); border-radius: 5px; background: #12181f; text-decoration: none; }
.guide-related-link:hover { border-color: #617942; background: #162019; }
.guide-related-link .guide-eyebrow { font-size: 9px; }
.guide-related-link h3 { margin: 16px 0 12px; font-size: 19px; line-height: 1.45; }
.guide-related-link p { color: var(--guide-muted); font-size: 13px; }
.guide-read-link { color: var(--guide-accent); font-size: 12px; margin-top: auto; padding-top: 8px; }
.guide-read-link span { padding-left: 9px; }
.guide-cta { display: flex; align-items: center; justify-content: space-between; gap: 32px; padding: 32px; margin-bottom: 56px; border: 1px solid #3c4d31; border-radius: 6px; background: #162018; }
.guide-cta h2 { font-size: 25px; letter-spacing: -.025em; margin-bottom: 12px; }
.guide-cta p { color: #afbfad; font-size: 14px; max-width: 640px; margin: 0; }
.guide-footer { display: flex; align-items: center; gap: 22px; padding: 26px 0 36px; border-top: 1px solid var(--guide-border); color: var(--guide-muted); font-size: 12px; }
.guide-footer-brand { font-size: 20px; }
.guide-footer-brand svg { width: 24px; height: 28px; }
.guide-footer p { margin: 0; }
.guide-footer > a:last-child { margin-left: auto; }
@media (max-width: 900px) {
  .guide-content-grid { grid-template-columns: 190px minmax(0, 1fr); gap: 32px; }
  .guide-capability { padding: 20px; }
  .guide-related-link { padding: 20px; }
  .guide-related-link h3 { font-size: 17px; }
}
@media (max-width: 700px) {
  .guide-header-inner, .guide-main, .guide-footer { width: calc(100% - 36px); }
  .guide-header-inner { min-height: 76px; gap: 12px; }
  .guide-header-nav { gap: 14px; font-size: 12px; }
  .guide-header-nav .guide-button-small { padding-inline: 10px; font-size: 12px; gap: 8px; }
  .guide-brand { font-size: 22px; gap: 7px; }
  .guide-brand svg { width: 25px; height: 30px; }
  .guide-breadcrumb { margin-bottom: 34px; }
  .guide-hero { padding-bottom: 36px; }
  .guide-hero h1 { font-size: clamp(32px, 7vw, 45px); }
  .guide-intro { font-size: 16px; }
  .guide-intro p + p { font-size: 14px; }
  .guide-capabilities { grid-template-columns: 1fr; margin-bottom: 36px; }
  .guide-capability { display: grid; grid-template-columns: 28px 1fr; column-gap: 14px; padding: 20px; }
  .guide-capability + .guide-capability { border-left: 0; border-top: 1px solid var(--guide-border); }
  .guide-index { grid-row: 1 / span 2; margin: 2px 0 0; }
  .guide-capability h2 { margin-bottom: 7px; }
  .guide-capability p { grid-column: 2; }
  .guide-content-grid { display: block; }
  .guide-contents { position: static; padding: 0 0 28px; margin-bottom: 32px; border-bottom: 1px solid var(--guide-border); }
  .guide-contents nav { gap: 13px; }
  .guide-contents a { font-size: 13px; }
  .guide-section { margin-bottom: 38px; }
  .guide-section p, .guide-list { font-size: 14px; }
  .guide-steps li { padding-left: 43px; }
  .guide-steps h3 { font-size: 16px; }
  th, td { padding: 13px 12px; }
  table { font-size: 13px; }
  tbody th { width: 36%; }
  #local-processing { padding: 20px 18px 8px; }
  .guide-related-grid { grid-template-columns: 1fr; }
  .guide-related-link h3 { font-size: 19px; margin-top: 10px; }
  .guide-related-link p { max-width: 600px; }
  .guide-cta { flex-direction: column; align-items: start; padding: 24px; gap: 24px; margin-bottom: 34px; }
  .guide-cta h2 { font-size: 23px; }
  .guide-footer { flex-wrap: wrap; gap: 16px; }
  .guide-footer > a:last-child { margin-left: 0; flex-basis: 100%; }
}
@media (max-width: 380px) {
  .guide-header-nav .guide-button-small { display: none; }
  .guide-hero-actions { align-items: start; flex-direction: column; gap: 18px; }
}
@media print {
  :root { color: #18222a; background: white; }
  .guide-site-header, .guide-hero-actions, .guide-contents, .guide-related, .guide-cta, .guide-footer, .guide-skip { display: none; }
  .guide-main { width: 100%; }
  .guide-content-grid { display: block; }
  .guide-content { max-width: none; }
  h1, h2, h3, .guide-section p, .guide-list, .guide-intro, .guide-intro p + p, .guide-capability p, .guide-faq summary { color: #18222a; }
  .guide-capabilities, #local-processing, tbody, thead { background: white; color: #18222a; }
  #local-processing p, tbody th { color: #18222a; }
  .guide-section, .guide-steps li { break-inside: avoid; }
}