:root { font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; color: #27233d; background: #faf9fc; font-synthesis: none; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; min-width: 0; }
a { color: inherit; text-underline-offset: 4px; }
a:focus-visible, [tabindex]:focus-visible { outline: 3px solid #8c7bf1; outline-offset: 5px; }
.guide-shell { background: radial-gradient(ellipse 680px 470px at 90% 8%, #ede9fd 0, transparent 85%); }
.guide-header, .guide-index, .guide-article, .guide-footer { width: min(1080px, calc(100% - 64px)); margin-inline: auto; }
.guide-header { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 25px 0; border-bottom: 1px solid #e8e5ef; }
.guide-brand { display: inline-flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 800; letter-spacing: -.5px; text-decoration: none; }
.guide-brand > span:not(.guide-footer-dot) { width: 34px; height: 34px; display: grid; place-items: center; color: #fff; border-radius: 11px; background: #7360df; font-size: 20px; }
.guide-header nav { display: flex; align-items: center; gap: 25px; font-size: 13px; font-weight: 600; }
.guide-header nav a { text-decoration: none; }
.guide-header nav > a:first-child { color: #7561ce; }
.guide-button-small { padding: 10px 17px; border: 1px solid #ded8eb; border-radius: 99px; background: #fff9; }
.guide-button-small span { padding-left: 7px; }
.guide-skip { position: fixed; top: -100px; left: 20px; padding: 12px; background: #fff; z-index: 99; }
.guide-skip:focus { top: 10px; }
.guide-hero { padding: 76px 0 62px; }
.guide-eyebrow { margin: 0 0 20px; color: #7766b1; font-size: 12px; font-weight: 700; letter-spacing: .15em; }
.guide-hero h1 { margin: 0; font-size: clamp(40px, 5.5vw, 64px); line-height: 1.22; font-weight: 750; letter-spacing: -.045em; }
.guide-hero h1 em { color: #7460d8; font-style: normal; }
.guide-hero-description { margin: 25px 0; font-size: 16px; line-height: 1.95; color: #777285; }
.guide-hero-tags { display: flex; gap: 9px; flex-wrap: wrap; }
.guide-hero-tags span { border: 1px solid #e5e0ef; padding: 6px 12px; border-radius: 99px; color: #8b819d; font-size: 11px; }
.guide-list-heading { display: flex; align-items: center; justify-content: space-between; gap: 15px; border-bottom: 1px solid #ded9e8; padding-bottom: 18px; }
.guide-list-heading h2 { margin: 0; font-size: 18px; font-weight: 650; }
.guide-list-heading > span { font-size: 12px; color: #938b9f; }
.guide-card { position: relative; display: grid; grid-template-columns: 200px minmax(0, 1fr) 36px; gap: 34px; padding: 31px 0; border-bottom: 1px solid #e6e1ec; align-items: center; }
.guide-card-art { position: relative; display: grid; place-items: center; height: 156px; overflow: hidden; background: #efebfa; border-radius: 14px; }
.guide-art-paper { display: grid; grid-template-columns: repeat(2, 28px); gap: 5px; padding: 12px; background: #fff; border: 1px solid #e5dfef; box-shadow: 4px 8px 0 #d9d0ed7a; transform: rotate(-8deg); }
.guide-art-paper i { display: block; width: 28px; height: 32px; background: linear-gradient(155deg, #d7cbee, #ece6f7); border-radius: 2px; }
.is-one-inch .guide-art-paper { display: block; padding: 9px; }
.is-one-inch .guide-art-paper i { width: 50px; height: 70px; border-radius: 2px; }
.is-one-inch .guide-art-paper i:not(:first-child) { display: none; }
.is-background { background: #e9eff7; }
.is-background .guide-art-paper { display: flex; padding: 9px; gap: 4px; transform: rotate(6deg); }
.is-background .guide-art-paper i { width: 23px; height: 63px; background: #438edb; }
.is-background .guide-art-paper i:nth-child(2) { background: #d6453d; }
.is-background .guide-art-paper i:nth-child(3) { background: #c8c8c8; }
.is-background .guide-art-paper i:nth-child(n+4) { display: none; }
.guide-art-caption { position: absolute; bottom: 10px; right: 12px; font-size: 9px; letter-spacing: .08em; color: #9485a9; }
.guide-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; font-size: 11px; line-height: 1.7; color: #8b829d; }
.guide-meta-dot { color: #b8b0c7; }
.guide-card h2 { margin: 12px 0 10px; font-size: 21px; line-height: 1.5; letter-spacing: -.025em; }
.guide-card h2 a { text-decoration: none; }
.guide-card h2 a::after { content: ""; position: absolute; inset: 0; }
.guide-card:hover h2 a { color: #7561ce; }
.guide-card p { margin: 0; max-width: 640px; line-height: 1.8; font-size: 13px; color: #898192; }
.guide-read { display: inline-flex; align-items: center; gap: 18px; margin-top: 15px; font-size: 11px; color: #7869a8; font-weight: 600; }
.guide-card-number { align-self: start; margin-top: 4px; font-size: 11px; color: #ada3b9; font-variant-numeric: tabular-nums; }
.guide-draft { border-radius: 4px; padding: 2px 6px; background: #fff0c8; color: #825b12; font-size: 11px; }
.guide-index-cta { display: flex; align-items: center; justify-content: space-between; gap: 30px; background: #f0ecf9; margin: 64px 0 80px; border-radius: 18px; padding: 37px 40px; }
.guide-index-cta .guide-eyebrow { margin-bottom: 13px; }
.guide-index-cta h2 { margin: 0; font-size: 25px; line-height: 1.5; font-weight: 650; }
.guide-button { display: inline-flex; align-items: center; justify-content: space-between; gap: 28px; padding: 15px 22px; border-radius: 99px; background: #7460d8; color: #fff; text-decoration: none; font-size: 13px; font-weight: 600; }
.guide-button:hover { background: #6250bd; }
.guide-footer { padding: 35px 0 30px; border-top: 1px solid #e2ddeb; display: grid; grid-template-columns: 1fr auto; gap: 12px; }
.guide-footer .guide-brand { grid-column: 1; font-size: 17px; }
.guide-footer-dot { width: 6px; height: 6px; background: #9480df; border-radius: 50%; }
.guide-footer p { margin: 0; grid-column: 1; color: #a098aa; font-size: 11px; }
.guide-footer > div { grid-column: 2; grid-row: 1 / 3; display: flex; align-items: center; gap: 26px; font-size: 12px; color: #8c829d; }
.guide-footer > div a { text-decoration: none; }
.guide-footer small { grid-column: 1 / -1; color: #aaa3b3; font-size: 10px; line-height: 1.8; margin-top: 16px; }
.guide-breadcrumb { display: flex; flex-wrap: wrap; gap: 12px; padding: 32px 0; font-size: 11px; color: #8f869e; }
.guide-breadcrumb a { text-decoration: none; }
.guide-article-header { max-width: 840px; padding: 28px 0 42px; }
.guide-article-header h1 { margin: 0; font-size: clamp(29px, 4vw, 44px); font-weight: 750; line-height: 1.4; letter-spacing: -.025em; overflow-wrap: anywhere; }
.guide-article-description { margin: 22px 0; max-width: 750px; color: #7b7289; font-size: 15px; line-height: 1.95; }
.guide-reading-layout { display: grid; grid-template-columns: 190px minmax(0, 1fr); gap: 55px; border-top: 1px solid #e2dceb; padding-top: 35px; padding-bottom: 70px; }
.guide-toc nav { position: sticky; top: 30px; }
.guide-toc p { margin: 0 0 18px; font-size: 12px; font-weight: 700; }
.guide-toc ol { list-style: none; padding: 0; margin: 0; }
.guide-toc li { margin: 0 0 13px; font-size: 12px; line-height: 1.8; color: #9a90a7; overflow-wrap: anywhere; }
.guide-toc li.is-subheading { padding-left: 12px; }
.guide-toc a { text-decoration: none; }
.guide-toc a:hover { color: #7460d8; }
.guide-reading-main { min-width: 0; max-width: 750px; }
.guide-prose { font-size: 15px; line-height: 1.95; color: #595164; overflow-wrap: anywhere; }
.guide-prose > :first-child { margin-top: 0; }
.guide-prose h2 { margin: 40px 0 18px; font-size: 23px; line-height: 1.55; color: #30283e; }
.guide-prose h3 { margin: 30px 0 14px; font-size: 18px; color: #42384f; }
.guide-prose p { margin: 16px 0; }
.guide-prose ul, .guide-prose ol { padding-left: 23px; }
.guide-prose li { padding-left: 4px; margin: 7px 0; }
.guide-prose a { color: #7460c5; }
.guide-prose strong { font-weight: 650; color: #483957; }
.guide-prose img { display: block; max-width: 100%; height: auto; border: 1px solid #e6e0ef; border-radius: 13px; margin: 25px auto; background: #f5f2fa; }
.guide-prose blockquote { margin: 24px 0; padding: 1px 23px; border-left: 3px solid #b6a4e3; background: #f1edf8; border-radius: 0 10px 10px 0; color: #81718c; font-size: 14px; }
.guide-table { overflow-x: auto; margin: 24px 0; border: 1px solid #e5dfec; border-radius: 10px; }
.guide-table table { width: 100%; border-collapse: collapse; font-size: 13px; white-space: nowrap; }
.guide-table th { background: #f0ebf7; color: #685878; font-weight: 600; text-align: left; }
.guide-table td, .guide-table th { padding: 13px 17px; border-bottom: 1px solid #e9e3ef; }
.guide-table tr:last-child td { border-bottom: 0; }
.guide-prose pre { overflow-x: auto; padding: 18px; border-radius: 10px; background: #f1edf7; font-size: 13px; }
.guide-prose code { font-size: .92em; background: #f1edf7; padding: 2px 4px; border-radius: 4px; }
.guide-tool-cta { margin: 40px 0 30px; background: #f0ebfa; padding: 30px; border-radius: 16px; }
.guide-tool-cta .guide-eyebrow { margin-bottom: 13px; }
.guide-tool-cta h2 { margin: 0; font-size: 23px; line-height: 1.5; }
.guide-tool-cta p:not(.guide-eyebrow) { font-size: 13px; color: #8c7d9a; line-height: 1.85; }
.guide-tool-cta .guide-button { margin-top: 10px; }
.guide-next { margin: 35px 0; }
.guide-next h2 { font-size: 18px; }
.guide-next a { display: flex; justify-content: space-between; gap: 14px; border-bottom: 1px solid #e5deee; padding: 15px 0; text-decoration: none; font-size: 14px; }
.guide-back { font-size: 12px; color: #9789a5; text-decoration: none; }
.guide-empty { padding: 30px 0; color: #8b829d; }
.guide-about-body { max-width: 750px; padding-bottom: 70px; }
@media (max-width: 760px) {
  .guide-header, .guide-index, .guide-article, .guide-footer { width: calc(100% - 36px); }
  .guide-header { padding: 20px 0; gap: 12px; }
  .guide-header nav { gap: 12px; font-size: 11px; white-space: nowrap; }
  .guide-brand { font-size: 17px; }
  .guide-button-small { padding: 8px 11px; }
  .guide-hero { padding: 48px 0 42px; }
  .guide-hero h1 { font-size: clamp(30px, 10vw, 42px); }
  .guide-hero-description { font-size: 14px; }
  .guide-card { grid-template-columns: 92px minmax(0, 1fr); gap: 18px; padding: 25px 0; align-items: start; }
  .guide-card-art { height: 110px; margin-top: 4px; }
  .guide-art-paper { transform: scale(.7) rotate(-8deg); }
  .is-background .guide-art-paper { transform: scale(.7) rotate(6deg); }
  .guide-art-caption { display: none; }
  .guide-card-number { display: none; }
  .guide-card h2 { font-size: 17px; margin-top: 8px; }
  .guide-card p { font-size: 12px; }
  .guide-meta { font-size: 10px; gap: 6px; }
  .guide-read { margin-top: 12px; }
  .guide-index-cta { margin: 42px 0 48px; padding: 27px 23px; align-items: flex-start; flex-direction: column; }
  .guide-index-cta h2 { font-size: 23px; }
  .guide-footer > div { gap: 12px; font-size: 11px; flex-wrap: wrap; justify-content: flex-end; max-width: 180px; }
  .guide-article-header { padding: 14px 0 29px; }
  .guide-reading-layout { grid-template-columns: minmax(0, 1fr); gap: 28px; padding-top: 22px; }
  .guide-toc { background: #f0ecf7; padding: 20px 22px; border-radius: 12px; }
  .guide-toc nav { position: static; }
  .guide-toc li:last-child { margin-bottom: 0; }
  .guide-prose { font-size: 15px; }
  .guide-tool-cta { padding: 24px; }
}
@media (max-width: 360px) {
  .guide-header .guide-brand { gap: 7px; font-size: 15px; }
  .guide-header .guide-brand > span { width: 29px; height: 29px; font-size: 18px; }
  .guide-header nav { gap: 9px; font-size: 10px; }
  .guide-button-small { padding: 8px 9px; }
  .guide-button-small span { padding-left: 2px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }