@charset "UTF-8";
:root { color-scheme: light; --paper: #f5f3ed; --ink: #242521; --muted: #676b60; --line: #dadbd2; --accent: #bd650c; scroll-padding-top: 100px; }
* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }
:focus-visible { outline: 3px solid #956900; outline-offset: 5px; }
img { display: block; width: 100%; height: auto; }
h1,h2,p,figure { margin: 0; }
.skip-link { position: absolute; top: -80px; left: 20px; padding: 16px; background: #ffd64a; z-index: 20; }
.skip-link:focus { top: 12px; }
.guide-header { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 76px; padding: 14px max(24px,calc((100vw - 1120px)/2)); background: #f5f3efef; backdrop-filter: blur(16px); border-bottom: 1px solid var(--line); }
.guide-back { display: inline-flex; align-items: center; gap: 12px; font-size: 13px; padding-block: 12px; }
.guide-brand { font-size: 21px; font-weight: 850; letter-spacing: -1px; }
.guide-brand span { color: #d5a51a; font-size: 9px; vertical-align: top; margin-left: 4px; }
.download-link { background: var(--ink); color: #fff; padding: 13px 18px; border-radius: 5px; font-size: 13px; white-space: nowrap; }
.download-link:hover { background: #46493d; color: #fff; }
.download-link span { padding-left: 18px; }
.guide-wrap { width: min(1120px,calc(100% - 80px)); margin-inline: auto; }
.guide-intro { padding-block: 62px 38px; max-width: 840px; }
.eyebrow { font-size: 11px; font-weight: 650; letter-spacing: .14em; color: #72776b; }
h1 { font-size: clamp(34px,4.4vw,56px); line-height: 1.28; letter-spacing: -.04em; margin: 20px 0; }
h1 span { color: #6e775e; margin-left: .35em; white-space: nowrap; }
.intro-description { color: var(--muted); font-size: 16px; line-height: 1.9; max-width: 650px; }
.guide-meta { display: flex; flex-wrap: wrap; gap: 12px 24px; margin-top: 22px; font-size: 12px; color: #73796b; }
.guide-meta span { display: inline-flex; align-items: center; gap: 8px; }
.guide-meta span::before { content: ""; width: 4px; height: 4px; border-radius: 50%; background: var(--accent); }
.guide-toc { background: #eaece2; border: 1px solid #d9ddce; border-radius: 8px; margin-bottom: 12px; }
.guide-toc summary { cursor: pointer; padding: 18px 22px; font-size: 14px; font-weight: 650; }
.guide-toc summary>span { font-weight: 400; font-size: 12px; color: #6c7460; margin-left: 14px; }
.guide-toc nav { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 6px 20px; padding: 0 22px 22px; }
.guide-toc nav a { display: flex; align-items: baseline; gap: 12px; min-height: 44px; padding-block: 10px; font-size: 13px; line-height: 1.7; }
.guide-toc nav a span { color: var(--accent); font-size: 11px; font-weight: 650; }
.guide-step { padding-block: 44px 48px; border-bottom: 1px solid var(--line); }
.guide-step h2 { display: flex; align-items: baseline; gap: 18px; font-size: clamp(22px,2.3vw,29px); font-weight: 700; line-height: 1.5; letter-spacing: -.025em; }
.guide-step h2>span { color: var(--accent); font-size: 20px; font-variant-numeric: tabular-nums; letter-spacing: 0; }
.step-instructions { margin: 20px 0 26px; padding-left: 22px; color: #4f5748; font-size: 15px; line-height: 1.95; }
.step-instructions li { padding-left: 3px; margin-block: 5px; }
.step-instructions li::marker { color: #bc7f36; }
.step-photos { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; }
.step-photos figure { min-width: 0; }
.step-photos img { border-radius: 7px; background: #ebe8df; }
.step-photos figcaption { font-size: 12px; color: #74796d; line-height: 1.8; margin-top: 10px; }
.single-photo { grid-template-columns: minmax(0,800px); }
.guide-complete { margin-top: 44px; padding: 30px 34px; border: 1px solid #d1d9c3; border-radius: 9px; background: #e9edde; }
.guide-complete .step-instructions { margin-bottom: 0; }
.guide-footer { display: flex; flex-wrap: wrap; gap: 20px; justify-content: space-between; padding: 38px 0 50px; font-size: 13px; color: #59624c; }
.guide-footer a { padding-block: 10px; }
@media(max-width: 760px) {
  .guide-wrap { width: calc(100% - 40px); }
  .guide-header { min-height: 68px; gap: 12px; padding: 12px 20px; }
  .guide-brand { display: none; }
  .guide-intro { padding-block: 40px 30px; }
  h1 span { display: block; margin: 4px 0 0; }
  .intro-description { font-size: 15px; }
  .guide-toc nav { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 4px 14px; padding-inline: 16px; }
  .guide-toc summary { padding-inline: 16px; }
  .guide-step { padding-block: 32px 36px; }
  .guide-step h2 { gap: 12px; }
  .guide-step h2>span { font-size: 17px; }
  .step-instructions { font-size: 15px; margin-block: 16px 22px; }
  .step-photos { grid-template-columns: minmax(0,1fr); gap: 22px; }
  .guide-complete { padding: 24px 20px; margin-top: 32px; }
}
@media(max-width: 400px) { .guide-toc nav { grid-template-columns: minmax(0,1fr); } .guide-meta { gap: 10px 16px; } }
@media print {
  .guide-header,.guide-toc,.guide-footer,.skip-link { display: none; }
  body { background: white; color: black; }
  .guide-wrap { width: 100%; }
  .guide-intro { padding-top: 0; }
  .step-photos figure { break-inside: avoid; }
  .guide-step h2 { break-after: avoid; }
}