:root { color-scheme: light; --wm-brand-blue: #003897; --wm-brand-orange: #FF7E00; --ink: #14263d; --muted: #63738a; --orange: #ed8800; --line: #e3e8ef; }
* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: #fcfcfa; font: 15px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif; }
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid #ae6200; outline-offset: 5px; }
.site-header, main, footer { width: min(100% - 48px, 1040px); margin-inline: auto; }
.site-header { min-height: 92px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.site-header > a:last-child { font-size: 13px; color: var(--muted); }
.brand { font-size: 24px; letter-spacing: -1px; font-weight: 850; }
.brand-word { color: var(--wm-brand-blue); }
.brand-mesh { color: var(--wm-brand-orange); }
.hero { padding: 72px 0 64px; max-width: 720px; }
.eyebrow { color: #9b620d; font-size: 11px; font-weight: 750; letter-spacing: 2px; }
h1, h2, h3, p { margin: 0; }
h1 { font-size: clamp(42px, 7vw, 74px); line-height: 1.2; letter-spacing: -2px; margin: 22px 0; }
.intro { color: var(--muted); font-size: 18px; line-height: 1.9; }
.download-panel { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 24px; margin: 34px 0 18px; display: grid; grid-template-columns: 1fr auto; gap: 12px 20px; align-items: center; box-shadow: 0 6px 28px #14263d05; }
.download-panel strong { font-size: 18px; }
.download-panel p { color: var(--muted); font-size: 13px; }
.download-panel .small { grid-column: 1 / -1; }
.primary { display: inline-flex; align-items: center; justify-content: center; gap: 22px; background: var(--orange); color: #fff; font-weight: 750; font-size: 15px; padding: 13px 22px; border-radius: 11px; white-space: nowrap; }
.primary:hover { background: #cf7400; text-decoration: none; }
[hidden] { display: none !important; }
#download-status { grid-column: 1 / -1; }
.login-note, .notice { color: var(--muted); font-size: 13px; }
.install-section { border-top: 1px solid var(--line); padding: 44px 0 20px; display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; }
h2 { font-size: 27px; line-height: 1.4; margin: 8px 0 12px; }
.section-heading p { color: var(--muted); font-size: 14px; max-width: 240px; }
.steps { list-style: none; margin: 0; padding: 0; }
.steps li { display: flex; gap: 18px; margin-bottom: 30px; }
.step-number { color: var(--orange); font-weight: 700; font-size: 16px; padding-top: 1px; }
h3 { font-size: 17px; margin-bottom: 6px; }
.steps p, .usage-grid p, .questions p { color: var(--muted); font-size: 14px; }
code { font: .92em/1.5 ui-monospace, Consolas, monospace; color: #32445d; overflow-wrap: anywhere; }
.browser-addresses { margin-top: 12px; display: grid; gap: 8px; }
.browser-addresses > div { display: flex; align-items: center; gap: 10px; padding: 8px 10px; background: #f1f3f5; border-radius: 8px; font-size: 12px; }
.browser-addresses span { min-width: 44px; }
.browser-addresses code { flex: 1; }
.browser-addresses button { border: 1px solid #d3dbe5; border-radius: 6px; padding: 3px 8px; color: #425671; background: #fff; cursor: pointer; flex-shrink: 0; }
.small { font-size: 12px; color: var(--muted); }
.usage-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 24px 0 70px; }
.usage-grid article { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 24px; }
.feature-mark { display: inline-flex; justify-content: center; align-items: center; color: #ab6000; background: #fff4df; width: 36px; height: 36px; border-radius: 9px; font-weight: 750; margin-bottom: 14px; }
.questions { max-width: 800px; }
.questions h2 { margin-bottom: 22px; }
.questions details { border-bottom: 1px solid var(--line); padding: 18px 0; }
summary { cursor: pointer; font-weight: 650; }
.questions details p { padding: 12px 0 0; }
.verification { margin: 36px 0 64px; color: var(--muted); font-size: 12px; }
.verification dl { display: grid; grid-template-columns: 160px 1fr; gap: 8px; margin-top: 16px; }
.verification dd { margin: 0; overflow-wrap: anywhere; }
footer { border-top: 1px solid var(--line); padding-block: 26px; display: flex; gap: 20px; justify-content: space-between; flex-wrap: wrap; font-size: 12px; color: var(--muted); }
footer nav { display: flex; gap: 20px; }
@media (max-width: 680px) {
  .site-header, main, footer { width: calc(100% - 36px); }
  .site-header { min-height: 74px; }
  .hero { padding: 42px 0 42px; }
  h1 { letter-spacing: -1px; }
  .intro { font-size: 15px; }
  .download-panel { grid-template-columns: 1fr; padding: 20px; }
  .primary { width: 100%; }
  .install-section { grid-template-columns: 1fr; gap: 30px; padding-top: 34px; }
  .section-heading p { max-width: none; }
  .usage-grid { grid-template-columns: 1fr; margin: 0 0 44px; }
  .usage-grid article { padding: 20px; }
  .questions h2 { font-size: 23px; }
  .verification dl { grid-template-columns: 1fr; gap: 3px; }
  .verification dd { margin-bottom: 10px; }
  footer { gap: 10px; }
}