:root {
  --rf8-paper: #e6eef0;
  --rf8-ink: #14262b;
  --rf8-ink2: #3a5156;
  --rf8-accent: #c4531a;
  --rf8-accent-ink: #9c3f0f;
  --rf8-fog: #7fa3a8;
  --rf8-line: #c3d3d6;
  --rf8-sub: #f4f8f9;
  --rf8-flap: #dfe9eb;
  --rf8-r-big: 24px;
  --rf8-r-sm: 4px;
  --rf8-cjk: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
  --rf8-latin: "Mongolian Baiti", "Constantia", serif;
  --rf8-measure: 38em;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body.rf8-body {
  margin: 0;
  background: var(--rf8-paper);
  color: var(--rf8-ink);
  font-family: var(--rf8-cjk);
  font-size: 17px;
  line-height: 1.8;
  overflow-wrap: break-word;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--rf8-accent-ink); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--rf8-ink); }
:focus-visible { outline: 3px solid var(--rf8-accent); outline-offset: 2px; border-radius: 2px; }
code { font-family: Consolas, "Courier New", monospace; font-size: .92em; background: var(--rf8-sub); border: 1px solid var(--rf8-line); border-radius: var(--rf8-r-sm); padding: 0 .3em; word-break: break-all; }

.rf8-skip { position: absolute; left: 12px; top: -60px; background: var(--rf8-ink); color: #fff; padding: 10px 16px; border-radius: var(--rf8-r-sm); z-index: 20; }
.rf8-skip:focus { top: 10px; color: #fff; }

.rf8-top { border-bottom: 1px solid var(--rf8-line); background: var(--rf8-paper); }
.rf8-top-in { max-width: 1180px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; }
.rf8-brand { display: inline-flex; align-items: center; min-height: 44px; }
.rf8-logo { display: block; width: 128px; height: 32px; }
.rf8-nav-list { list-style: none; margin: 0; padding: 0; display: flex; gap: 4px; flex-wrap: wrap; }
.rf8-nav-list a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 12px; color: var(--rf8-ink); text-decoration: none; font-size: 15px; border-radius: var(--rf8-r-sm); }
.rf8-nav-list a:hover { background: var(--rf8-sub); }
.rf8-nav-list a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--rf8-accent); }

.rf8-main { display: block; }
.rf8-wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

.rf8-hero {
  max-width: 1180px; margin: 0 auto; padding: 40px 24px 36px;
  display: grid; grid-template-columns: minmax(0, 650px) minmax(0, 1fr);
  grid-template-areas: "copy art" "pick art"; grid-template-rows: auto 1fr; column-gap: 56px; row-gap: 22px; align-items: start;
}
.rf8-hero-copy { grid-area: copy; }
.rf8-hero-art { grid-area: art; position: relative; padding-top: 6px; }
.rf8-pick { grid-area: pick; }
.rf8-h1 { font-weight: 700; line-height: 1.12; margin: 0; line-break: strict; letter-spacing: 0; }
.rf8-hero .rf8-h1 { font-size: 87px; letter-spacing: -.01em; white-space: nowrap; }
.rf8-lead { font-size: 18px; line-height: 1.75; color: var(--rf8-ink2); margin: 18px 0 0; max-width: 30em; }

.rf8-env {
  position: relative; width: 100%; max-width: 470px; aspect-ratio: 470 / 270; margin-left: auto;
  background: var(--rf8-sub); border: 2px solid var(--rf8-ink); border-radius: var(--rf8-r-big);
  overflow: hidden; z-index: 2; box-shadow: 0 18px 34px -24px rgba(20, 38, 43, .55);
}
.rf8-env-flap { position: absolute; inset: 0 0 auto 0; height: 47%; background: var(--rf8-fog); clip-path: polygon(0 0, 100% 0, 50% 100%); }
.rf8-env-flap::after { content: ""; position: absolute; inset: 0; background: var(--rf8-flap); clip-path: polygon(0 0, 100% 0, 50% calc(100% - 3px)); }
.rf8-env-flap { background: linear-gradient(var(--rf8-fog), var(--rf8-fog)); }
.rf8-env-seal { position: absolute; left: 50%; top: 47%; width: 40px; height: 40px; margin: -20px 0 0 -20px; border-radius: 50%; background: var(--rf8-accent); box-shadow: inset 0 0 0 4px rgba(255, 255, 255, .18); }
.rf8-env-win {
  position: absolute; left: 7%; top: 57%; width: 47%; height: 33%;
  border: 2px solid var(--rf8-fog); border-radius: var(--rf8-r-sm);
  background: linear-gradient(115deg, rgba(255, 255, 255, .95) 0 62%, rgba(214, 228, 231, .9) 62% 66%, rgba(255, 255, 255, .95) 66%);
  display: flex; flex-direction: column; justify-content: center; padding: 0 16px; overflow: hidden;
}
.rf8-env-line { font-size: 21px; font-weight: 700; line-height: 1.35; white-space: nowrap; }
.rf8-env-addr { position: absolute; right: 9%; top: 62%; width: 28%; display: grid; gap: 14px; }
.rf8-env-addr i { display: block; height: 4px; border-radius: 2px; background: var(--rf8-line); }

.rf8-rcpt { position: relative; display: flex; background: #fff; border: 1px solid var(--rf8-line); border-radius: var(--rf8-r-sm); box-shadow: 0 10px 22px -18px rgba(20, 38, 43, .6); }
.rf8-rcpt-stub { flex: 0 0 18px; border-right: 2px dashed var(--rf8-line); background: radial-gradient(circle at 50% 10px, var(--rf8-paper) 4px, transparent 5px) 0 0 / 18px 20px repeat-y; }
.rf8-rcpt-body { padding: 16px 20px 16px 18px; min-width: 0; flex: 1; }
.rf8-rcpt-home { width: 92%; max-width: 440px; margin: -26px 2% 0 auto; transform: rotate(-3deg); transform-origin: 70% 0; z-index: 1; }
.rf8-rcpt-home .rf8-rcpt-body { padding-top: 34px; }
.rf8-rcpt-label { font-size: 14px; color: var(--rf8-ink2); }
.rf8-rcpt-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin: 4px 0 6px; }
.rf8-code { font-family: var(--rf8-latin); font-size: 34px; letter-spacing: .06em; background: none; border: 0; padding: 0; color: var(--rf8-ink); word-break: normal; }
.rf8-copy { min-height: 44px; min-width: 76px; padding: 0 18px; border: 2px solid var(--rf8-ink); border-radius: var(--rf8-r-sm); background: var(--rf8-ink); color: #fff; font: 600 15px/1 var(--rf8-cjk); cursor: pointer; }
.rf8-copy:hover { background: #24414a; }
.rf8-copy.rf8-copied { background: var(--rf8-sub); color: var(--rf8-ink); }
.rf8-gain { margin: 0; font-size: 16px; line-height: 1.6; font-weight: 600; }
.rf8-star { color: var(--rf8-accent-ink); font-weight: 700; margin-left: 1px; }
.rf8-fn { margin: 6px 0 0; font-size: 13px; line-height: 1.6; color: var(--rf8-ink2); }
.rf8-disc { margin: 8px 0 0; font-size: 14px; line-height: 1.65; color: var(--rf8-ink2); }
.rf8-go { display: inline-flex; align-items: center; min-height: 48px; margin-top: 12px; padding: 0 22px; background: var(--rf8-accent); color: #fff; border-radius: var(--rf8-r-sm); text-decoration: none; font-weight: 600; font-size: 16px; }
.rf8-go:hover { background: #a9440f; color: #fff; }

.rf8-pick {
  background: var(--rf8-sub); border: 1px solid var(--rf8-line); border-radius: var(--rf8-r-sm);
  padding: 16px 20px 14px 22px; position: relative; max-width: 560px;
}
.rf8-pick::before { content: ""; position: absolute; left: -1px; top: 14px; bottom: 14px; width: 4px; background: var(--rf8-accent); border-radius: 0 2px 2px 0; }
.rf8-pick-label { font-size: 14px; color: var(--rf8-ink2); line-height: 1.6; display: flex; align-items: center; gap: 8px; }
.rf8-pick-label::before { content: ""; width: 22px; height: 14px; border: 2px solid var(--rf8-fog); border-radius: var(--rf8-r-sm); background: linear-gradient(var(--rf8-line), var(--rf8-line)) 3px 6px / 10px 2px no-repeat; }
.rf8-pick-t { display: inline-block; margin: 2px 0 4px; font-size: 21px; line-height: 1.45; font-weight: 700; color: var(--rf8-ink); text-decoration: none; padding: 4px 0; }
.rf8-pick-t:hover { color: var(--rf8-accent-ink); text-decoration: underline; }
.rf8-pick-why { margin: 0; font-size: 15px; line-height: 1.75; color: var(--rf8-ink2); }

.rf8-home-body { max-width: 1180px; margin: 0 auto; padding: 8px 24px 0; display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.rf8-blk { background: var(--rf8-sub); border-radius: var(--rf8-r-big); padding: 26px 30px 22px; border: 1px solid var(--rf8-line); }
.rf8-blk .rf8-h2 { font-size: 23px; line-height: 1.4; margin: 0 0 10px; padding-top: 0; }
.rf8-blk p, .rf8-blk li { font-size: 16px; line-height: 1.8; }
.rf8-blk ul, .rf8-blk ol { padding-left: 1.3em; margin: 10px 0; }
.rf8-blk li { margin: 6px 0; }
.rf8-blk strong { color: var(--rf8-accent-ink); }
.rf8-hub { max-width: 1180px; margin: 36px auto 0; padding: 0 24px; }
.rf8-hub-h { font-size: 20px; margin: 0 0 10px; }
.rf8-hub-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 28px; border-top: 1px solid var(--rf8-line); }
.rf8-hub-list li { border-bottom: 1px solid var(--rf8-line); padding: 8px 0; display: flex; flex-direction: column; }
.rf8-hub-list a { font-weight: 600; text-decoration: none; color: var(--rf8-ink); min-height: 44px; display: inline-flex; align-items: center; }
.rf8-hub-list a:hover { color: var(--rf8-accent-ink); text-decoration: underline; }
.rf8-hub-list span { font-size: 14px; color: var(--rf8-ink2); }

.rf8-crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 0 6px; font-size: 14px; color: var(--rf8-ink2); padding-top: 14px; }
.rf8-crumbs a { display: inline-flex; align-items: center; min-height: 44px; color: var(--rf8-ink2); }
.rf8-crumbs-sep { color: var(--rf8-fog); }

.rf8-artpage { max-width: 1120px; }
.rf8-arthead { max-width: 820px; margin: 8px 0 18px; }
.rf8-h1-art { font-size: 40px; line-height: 1.3; }
.rf8-by { display: flex; flex-wrap: wrap; gap: 4px 22px; margin-top: 12px; font-size: 14px; color: var(--rf8-ink2); }

.rf8-notice { display: flex; gap: 18px; align-items: center; max-width: 820px; margin: 0 0 22px; padding: 14px 18px; background: var(--rf8-sub); border: 1px solid var(--rf8-line); border-radius: var(--rf8-r-sm); }
.rf8-stamp { flex: 0 0 76px; height: 76px; border-radius: 50%; border: 2px solid var(--rf8-accent); box-shadow: inset 0 0 0 4px var(--rf8-sub), inset 0 0 0 5px var(--rf8-accent); display: flex; flex-direction: column; align-items: center; justify-content: center; color: var(--rf8-accent-ink); transform: rotate(-8deg); font-family: var(--rf8-latin); line-height: 1.1; }
.rf8-stamp-d { font-size: 20px; }
.rf8-stamp-y { font-size: 13px; letter-spacing: .05em; }
.rf8-notice-h { font-weight: 700; font-size: 16px; }
.rf8-notice-t { font-size: 15px; line-height: 1.7; color: var(--rf8-ink2); margin-top: 4px; }

.rf8-cover { margin: 0 0 26px; max-width: 820px; }
.rf8-cover img { border-radius: var(--rf8-r-big); border: 1px solid var(--rf8-line); }
.rf8-cap { font-size: 14px; line-height: 1.65; color: var(--rf8-ink2); margin-top: 8px; }

.rf8-artgrid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0 44px; }
.rf8-tocbox { max-width: 820px; }
.rf8-toc { background: var(--rf8-sub); border: 1px solid var(--rf8-line); border-radius: var(--rf8-r-sm); margin-bottom: 26px; }
.rf8-toc-sum { cursor: pointer; min-height: 44px; display: flex; align-items: center; padding: 0 16px; font-weight: 600; font-size: 15px; }
.rf8-toc-list { margin: 0; padding: 0 16px 12px 2.2em; font-size: 15px; line-height: 1.5; }
.rf8-toc-list a { display: inline-flex; align-items: center; min-height: 44px; color: var(--rf8-ink); text-decoration: none; }
.rf8-toc-list a:hover { color: var(--rf8-accent-ink); text-decoration: underline; }

.rf8-art, .rf8-prose { max-width: var(--rf8-measure); }
.rf8-art > p, .rf8-art li, .rf8-prose p, .rf8-prose li { font-size: 17px; line-height: 1.85; }
.rf8-art ul, .rf8-art ol, .rf8-prose ul, .rf8-prose ol { padding-left: 1.4em; }
.rf8-art li, .rf8-prose li { margin: 8px 0; }
.rf8-h2 { position: relative; font-size: 27px; line-height: 1.4; margin: 52px 0 14px; padding-top: 30px; line-break: strict; }
.rf8-art .rf8-h2::before, .rf8-prose .rf8-h2::before { content: ""; position: absolute; left: 0; top: 0; width: 30px; height: 18px; border: 2px solid var(--rf8-ink); border-radius: var(--rf8-r-sm); background: linear-gradient(var(--rf8-sub), var(--rf8-sub)) 4px 9px / 14px 5px no-repeat, #fff; box-shadow: inset 0 0 0 2px #fff, inset 0 0 0 3px var(--rf8-fog); }
.rf8-hs { display: inline-block; }
.rf8-h3 { font-size: 20px; line-height: 1.5; margin: 34px 0 8px; }
.rf8-art blockquote { margin: 18px 0; padding: 14px 20px; border-left: 4px solid var(--rf8-fog); background: var(--rf8-sub); border-radius: 0 var(--rf8-r-sm) var(--rf8-r-sm) 0; }
.rf8-art blockquote p { margin: 0; font-family: var(--rf8-latin); font-size: 18px; line-height: 1.6; }

.rf8-tbl { overflow-x: auto; margin: 18px 0 22px; border: 1px solid var(--rf8-line); border-radius: var(--rf8-r-sm); background: #fff; }
.rf8-tbl table { border-collapse: collapse; width: 100%; font-size: 15px; line-height: 1.6; }
.rf8-tbl th { text-align: left; background: var(--rf8-sub); font-weight: 700; padding: 10px 12px; border-bottom: 2px solid var(--rf8-line); white-space: nowrap; }
.rf8-tbl td { padding: 10px 12px; border-top: 1px solid var(--rf8-line); vertical-align: top; }
.rf8-t-ziliao td:nth-child(2), .rf8-t-shiti td:nth-child(2) { font-family: var(--rf8-latin); font-size: 16px; }

.rf8-fig { margin: 22px 0 26px; }
.rf8-fig-frame { position: relative; display: inline-block; max-width: 100%; border-radius: var(--rf8-r-sm); overflow: hidden; border: 1px solid var(--rf8-line); }
.rf8-fig-narrow .rf8-fig-frame { max-width: 376px; }
.rf8-fig-dl .rf8-fig-frame { max-width: 520px; }
.rf8-mk { position: absolute; width: 30px; height: 30px; margin: -15px 0 0 -15px; border-radius: 50%; background: var(--rf8-accent); color: #fff; font-size: 18px; line-height: 30px; text-align: center; font-weight: 700; box-shadow: 0 0 0 3px rgba(255, 255, 255, .9); }
.rf8-fig-reg .rf8-mk-1 { left: 91%; top: 26%; }
.rf8-fig-reg .rf8-mk-2 { left: 74%; top: 36%; }

.rf8-faq { margin-top: 10px; }
.rf8-qa { border-top: 1px solid var(--rf8-line); padding: 14px 0 4px; }
.rf8-q { font-size: 18px; line-height: 1.6; margin: 0 0 6px; }
.rf8-a { margin: 0 0 12px; font-size: 16px; line-height: 1.85; }
.rf8-after { max-width: 820px; margin: 40px 0 0; padding: 20px 24px; background: var(--rf8-sub); border: 1px solid var(--rf8-line); border-radius: var(--rf8-r-big); }
.rf8-after-tags { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.rf8-after-k { font-size: 14px; color: var(--rf8-ink2); margin-right: 6px; }
.rf8-tag { display: inline-flex; align-items: center; min-height: 32px; padding: 0 12px; border: 1px solid var(--rf8-line); border-radius: var(--rf8-r-sm); background: #fff; font-size: 14px; color: var(--rf8-ink); }
.rf8-after-go { list-style: none; margin: 14px 0 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 18px; }
.rf8-after-go a { display: inline-flex; align-items: center; min-height: 44px; }

.rf8-listhead, .rf8-dochead { max-width: 820px; margin: 10px 0 22px; }
.rf8-h1-list, .rf8-h1-doc { font-size: 42px; line-height: 1.3; }
.rf8-pnum { display: inline-block; margin-left: 12px; font-size: .5em; color: var(--rf8-ink2); }
.rf8-intro p { font-size: 17px; line-height: 1.85; color: var(--rf8-ink2); max-width: var(--rf8-measure); }
.rf8-count { font-size: 14px; color: var(--rf8-ink2); }
.rf8-cards { list-style: none; margin: 0; padding: 0; max-width: 820px; }
.rf8-cardi { background: var(--rf8-sub); border: 1px solid var(--rf8-line); border-radius: var(--rf8-r-big); padding: 22px 26px; margin-bottom: 18px; }
.rf8-cardi-t { font-size: 22px; font-weight: 700; line-height: 1.45; color: var(--rf8-ink); text-decoration: none; display: inline-block; padding: 6px 0; }
.rf8-cardi-t:hover { color: var(--rf8-accent-ink); text-decoration: underline; }
.rf8-cardi-d { margin: 4px 0 6px; font-size: 16px; line-height: 1.8; color: var(--rf8-ink2); }
.rf8-cardi-m { font-size: 14px; color: var(--rf8-ink2); }
.rf8-pages { display: flex; gap: 18px; align-items: center; margin: 10px 0 30px; }
.rf8-pages a { min-height: 44px; display: inline-flex; align-items: center; }
.rf8-taglist { list-style: none; padding: 0; }
.rf8-taglist a { min-height: 44px; display: inline-flex; align-items: center; margin-right: 8px; }
.rf8-plain { padding-bottom: 20px; }
.rf8-prose h2.rf8-h2 { font-size: 23px; margin-top: 40px; padding-top: 28px; }

.rf8-sform { max-width: 640px; margin: 18px 0 8px; }
.rf8-slabel { display: block; font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.rf8-srow { display: flex; gap: 10px; }
.rf8-sinput { flex: 1; min-width: 0; min-height: 48px; padding: 0 14px; font: 16px var(--rf8-cjk); color: var(--rf8-ink); background: #fff; border: 2px solid var(--rf8-fog); border-radius: var(--rf8-r-sm); }
.rf8-sbtn { min-height: 48px; padding: 0 20px; background: var(--rf8-ink); color: #fff; border: 0; border-radius: var(--rf8-r-sm); font: 600 16px var(--rf8-cjk); cursor: pointer; }
.rf8-sstat { font-size: 15px; color: var(--rf8-ink2); min-height: 1.5em; }
.rf8-sres { padding-left: 1.2em; max-width: 720px; }
.rf8-sitem a { font-weight: 700; min-height: 44px; display: inline-flex; align-items: center; }
.rf8-sitem p { margin: 0 0 12px; font-size: 15px; color: var(--rf8-ink2); }

.rf8-lost { max-width: 720px; padding-top: 40px; padding-bottom: 40px; }
.rf8-lost-env { width: 180px; height: 104px; border: 2px solid var(--rf8-ink); border-radius: 16px; background: var(--rf8-sub); position: relative; margin-bottom: 22px; transform: rotate(-4deg); }
.rf8-lost-win { position: absolute; left: 14px; bottom: 16px; width: 82px; height: 30px; border: 2px dashed var(--rf8-fog); border-radius: var(--rf8-r-sm); }
.rf8-lost-t { font-size: 17px; line-height: 1.85; }
.rf8-lost-go { padding-left: 1.2em; }
.rf8-lost-go a { min-height: 44px; display: inline-flex; align-items: center; }

.rf8-foot { margin-top: 64px; background: var(--rf8-ink); color: #dfe9eb; }
.rf8-foot-in { max-width: 1180px; margin: 0 auto; padding: 34px 24px 24px; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 18px 48px; }
.rf8-foot .rf8-logo { filter: none; }
.rf8-foot .rf8-brand { background: var(--rf8-sub); border-radius: var(--rf8-r-sm); padding: 4px 10px; }
.rf8-foot-claim { font-size: 14px; line-height: 1.75; margin: 10px 0 0; color: #c9d8db; }
.rf8-foot a { color: #fff; }
.rf8-foot-links { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 20px; align-content: start; }
.rf8-foot-links a { display: inline-flex; align-items: center; min-height: 44px; font-size: 15px; text-decoration: none; }
.rf8-foot-links a:hover { text-decoration: underline; }
.rf8-foot-year { grid-column: 1 / -1; font-size: 13px; color: #a9bfc3; margin: 6px 0 0; border-top: 1px solid #2c464d; padding-top: 14px; }

@media (min-width: 1100px) {
  .rf8-artgrid { grid-template-columns: minmax(0, 1fr) 250px; }
  .rf8-tocbox { grid-column: 2; grid-row: 1; }
  .rf8-toc { position: sticky; top: 20px; }
  .rf8-art { grid-column: 1; grid-row: 1; }
}

@media (max-width: 1100px) and (min-width: 961px) {
  .rf8-hero .rf8-h1 { font-size: 72px; }
}

@media (max-width: 960px) {
  .rf8-hero { grid-template-columns: minmax(0, 1fr); grid-template-rows: auto; grid-template-areas: "copy" "art" "pick"; padding-top: 26px; row-gap: 16px; }
  .rf8-env { margin: 0 auto; }
  .rf8-rcpt-home { margin: -24px auto 0; }
  .rf8-home-body { grid-template-columns: minmax(0, 1fr); }
  .rf8-hub-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  body.rf8-body { font-size: 16px; }
  .rf8-top-in { padding: 0 16px; min-height: 56px; flex-wrap: wrap; gap: 0; }
  .rf8-logo { width: 104px; height: 26px; }
  .rf8-nav-list { gap: 0; }
  .rf8-nav-list a { padding: 0 8px; font-size: 14px; }
  .rf8-wrap, .rf8-hero, .rf8-home-body, .rf8-hub { padding-left: 16px; padding-right: 16px; }
  .rf8-hero { padding-top: 14px; padding-bottom: 20px; row-gap: 10px; }
  .rf8-hero .rf8-h1 { font-size: 45px; white-space: normal; }
  .rf8-lead { font-size: 15px; line-height: 1.65; margin-top: 8px; }
  .rf8-env { max-width: 100%; aspect-ratio: auto; height: 118px; border-radius: 18px; }
  .rf8-env-flap { height: 52%; }
  .rf8-env-seal { top: 52%; width: 26px; height: 26px; margin: -13px 0 0 -13px; }
  .rf8-env-win { top: 58%; height: 36%; left: 6%; width: 50%; padding: 0 10px; }
  .rf8-env-line { font-size: 13px; line-height: 1.3; }
  .rf8-env-addr { top: 66%; gap: 8px; }
  .rf8-rcpt-home { width: 96%; transform: rotate(-2deg); margin-top: -14px; }
  .rf8-rcpt-home .rf8-rcpt-body { padding: 18px 12px 10px 12px; }
  .rf8-rcpt-stub { flex-basis: 12px; background-size: 12px 20px; }
  .rf8-rcpt-label { font-size: 13px; }
  .rf8-rcpt-row { margin: 0 0 2px; gap: 10px; }
  .rf8-code { font-size: 27px; }
  .rf8-gain { font-size: 15px; }
  .rf8-fn { font-size: 13px; margin-top: 2px; }
  .rf8-disc-home { font-size: 13px; margin-top: 4px; }
  .rf8-pick { padding: 10px 14px 8px 16px; }
  .rf8-pick-t { font-size: 17px; margin: 0; padding: 2px 0; }
  .rf8-pick-why { font-size: 14px; line-height: 1.65; }
  .rf8-blk { padding: 20px 18px 16px; border-radius: 18px; }
  .rf8-hub-list { grid-template-columns: minmax(0, 1fr); }
  .rf8-h1-art { font-size: 28px; }
  .rf8-h1-list, .rf8-h1-doc { font-size: 32px; }
  .rf8-h2 { font-size: 22px; margin-top: 40px; }
  .rf8-art > p, .rf8-art li, .rf8-prose p, .rf8-prose li { font-size: 16px; }
  .rf8-notice { align-items: flex-start; gap: 12px; padding: 12px 14px; }
  .rf8-stamp { flex-basis: 58px; height: 58px; }
  .rf8-stamp-d { font-size: 16px; }
  .rf8-stamp-y { font-size: 13px; }
  .rf8-cover img { border-radius: 16px; }
  .rf8-after { padding: 16px; }
  .rf8-after-go { grid-template-columns: minmax(0, 1fr); }
  .rf8-foot-in { grid-template-columns: minmax(0, 1fr); padding: 28px 16px 20px; }

  .rf8-tbl { border: 0; background: none; overflow: visible; }
  .rf8-tbl table, .rf8-tbl tbody, .rf8-tbl tr, .rf8-tbl td { display: block; width: 100%; }
  .rf8-tbl thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  .rf8-tbl tr { background: #fff; border: 1px solid var(--rf8-line); border-radius: var(--rf8-r-sm); margin-bottom: 12px; padding: 6px 0; }
  .rf8-tbl td { border: 0; padding: 6px 14px; }
  .rf8-tbl td::before { content: attr(data-l); display: block; font-size: 13px; color: var(--rf8-ink2); font-weight: 600; font-family: var(--rf8-cjk); }
  .rf8-tbl td:first-child { font-weight: 700; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}

@media print {
  .rf8-top, .rf8-foot, .rf8-tocbox, .rf8-skip { display: none; }
}