/* Subscription page: quiet surfaces, clear grouping, and direct feedback. */
#cik-subscribe-root {
  --cs-ink: #1d1d1f;
  --cs-muted: #6e6e73;
  --cs-surface: #fff;
  --cs-soft: #f5f5f7;
  --cs-line: #e5e5ea;
  --cs-rss: #a34d12;
  --cs-rss-tint: #fff3e6;
  --cs-rss-line: #f1dfca;
  --cs-wechat: #187346;
  --cs-wechat-tint: #edf8f0;
  --cs-wechat-line: #d5e9db;
  --cs-brand: var(--efu-theme, #425aef);
  width: 100%;
  max-width: none;
  margin-inline: auto;
  padding: 36px 0 48px;
  color: var(--cs-ink);
  font: 400 15px/1.7 -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-optical-sizing: auto;
  text-align: left;
}
#cik-subscribe-root, #cik-subscribe-root * { box-sizing: border-box; }
#page:has(#cik-subscribe-root) { padding: 0; }
#page:has(#cik-subscribe-root) > .article-container { overflow: visible; animation: none; }
#cik-subscribe-root :is(h1, h2, h3, p) { margin: 0; padding: 0; }
#cik-subscribe-root :is(h1, h2, h3) { color: var(--cs-ink); text-wrap: pretty; }
#cik-subscribe-root p { text-align: left; letter-spacing: normal; }
#cik-subscribe-root a { color: inherit; border: 0; text-decoration: none; font-weight: inherit; }
#cik-subscribe-root svg { display: block; width: 24px; height: 24px; flex: none; }
#cik-subscribe-root :is(a, button, summary):focus-visible { outline: 3px solid var(--cs-brand); outline-offset: 4px; }

#cik-subscribe-root .cs-hero { padding: 0 0 28px; }
#cik-subscribe-root h1 { font-size: clamp(28px, 3.2vw, 42px); font-weight: 700; line-height: 1.25; letter-spacing: -.04em; }
#cik-subscribe-root .cs-hero p { margin-top: 12px; color: var(--cs-muted); font-size: 16px; line-height: 1.65; }

/* Two clear entry points, without oversized or clipped decoration. */
#cik-subscribe-root .cs-methods { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
#cik-subscribe-root .cs-method {
  position: relative;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  gap: 24px;
  min-width: 0;
  min-height: 208px;
  padding: 26px 28px;
  overflow: hidden;
  border: 1px solid var(--cs-method-line);
  border-radius: 24px;
  color: var(--cs-method-ink);
  background: var(--cs-method-bg);
  transition: transform .18s ease, box-shadow .18s ease;
}
#cik-subscribe-root .cs-method-rss { --cs-method-ink: #fff; --cs-method-bg: linear-gradient(135deg, #ffa94d 0%, #e38100 100%); --cs-method-line: transparent; }
#cik-subscribe-root .cs-method-wechat { --cs-method-ink: #fff; --cs-method-bg: linear-gradient(135deg, #35d033 0%, #1fa51d 100%); --cs-method-line: transparent; }
#cik-subscribe-root .cs-method-description { position: relative; z-index: 1; max-width: calc(100% - 60px); color: var(--cs-method-ink); font-size: 13px; line-height: 1.65; }
#cik-subscribe-root .cs-method-badge { position: absolute; top: 20px; right: 20px; padding: 4px 10px; border: 1px solid transparent; border-radius: 999px; color: #fff; background: rgb(0 0 0 / 25%); font-size: 11px; font-weight: 600; line-height: 1.5; }
#cik-subscribe-root .cs-method-copy { position: relative; z-index: 1; margin-top: auto; }
#cik-subscribe-root .cs-method h2 { color: inherit; font-size: 28px; font-weight: 650; line-height: 1.3; letter-spacing: -.025em; }
#cik-subscribe-root .cs-method-info { margin-top: 6px; color: #fff; opacity: .6; font-size: 12px; line-height: 1.6; }
#cik-subscribe-root .cs-method svg.cs-method-art { position: absolute; z-index: 0; right: 25px; bottom: 24px; width: 88px; height: 88px; color: #fff; opacity: .4; pointer-events: none; }

#cik-subscribe-root .cs-intro { display: flex; align-items: center; justify-content: space-between; gap: 28px; margin-top: 20px; margin-bottom: 32px; padding: 26px 28px; border: 1px solid var(--cs-line); border-radius: 24px; background: var(--cs-surface); }
#cik-subscribe-root .cs-intro h2 { font-size: 17px; font-weight: 650; line-height: 1.4; letter-spacing: -.015em; }
#cik-subscribe-root .cs-intro p { max-width: 640px; margin-top: 8px; color: var(--cs-muted); font-size: 13px; line-height: 1.8; }
#cik-subscribe-root .cs-topics { display: flex; flex-wrap: wrap; flex-shrink: 0; gap: 6px; }
#cik-subscribe-root .cs-topics span { padding: 5px 10px; border: 1px solid var(--cs-line); border-radius: 999px; color: var(--cs-muted); background: var(--cs-surface); font-size: 11px; line-height: 1.5; }
#cik-subscribe-root .cs-section-heading { margin-bottom: 18px; }
#cik-subscribe-root .cs-section-heading h2 { font-size: 24px; font-weight: 650; line-height: 1.4; letter-spacing: -.025em; }
#cik-subscribe-root .cs-section-heading p { margin-top: 5px; color: var(--cs-muted); font-size: 13px; }
#cik-subscribe-root .cs-details { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 20px; align-items: stretch; }
#cik-subscribe-root .cs-panel { display: flex; flex-direction: column; min-width: 0; scroll-margin-top: 88px; padding: 28px; border: 1px solid var(--cs-line); border-radius: 24px; background: var(--cs-surface); }
#cik-subscribe-root .cs-panel-head { display: flex; align-items: center; gap: 10px; min-height: 38px; margin-bottom: 12px; }
#cik-subscribe-root .cs-panel-head h3 { font-size: 20px; font-weight: 650; line-height: 1.3; letter-spacing: -.02em; }
#cik-subscribe-root .cs-panel-head > svg { color: var(--cs-rss); }
#cik-subscribe-root .cs-wechat-mark { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 11px; color: var(--cs-wechat); background: var(--cs-wechat-tint); }
#cik-subscribe-root .cs-wechat-mark svg { width: 25px; height: 25px; }
#cik-subscribe-root .cs-panel > p { color: var(--cs-muted); font-size: 13px; line-height: 1.8; }

/* Each feed keeps its address and copy control together. */
#cik-subscribe-root .cs-feed-placeholder { min-width: 0; margin-top: 18px; padding: 16px; border: 0; border-radius: 16px; background: var(--cs-soft); }
#cik-subscribe-root .cs-feed-meta { display: flex; align-items: center; flex-wrap: wrap; justify-content: flex-start; gap: 8px; margin-bottom: 8px; color: var(--cs-muted); font-size: 12px; font-weight: 500; }
#cik-subscribe-root .cs-status { flex: none; padding: 3px 8px; border: 1px solid var(--cs-line); border-radius: 999px; color: var(--cs-muted); background: var(--cs-surface); font-size: 10px; font-weight: 600; line-height: 1.5; white-space: nowrap; }
#cik-subscribe-root .cs-feed-row { display: flex; align-items: center; flex-wrap: wrap; gap: 10px 16px; }
#cik-subscribe-root .cs-feed-address-group { flex: 1 1 220px; min-width: 0; }
#cik-subscribe-root .cs-feed-address { min-width: 0; padding: 0; border: 0; border-radius: 0; color: var(--cs-ink); background: none; font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-size: 12px; font-weight: 400; line-height: 1.7; overflow-wrap: anywhere; }
#cik-subscribe-root .cs-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  gap: 7px;
  min-height: 40px;
  padding: 9px 16px;
  border: 1px solid transparent;
  border-radius: 999px;
  color: #fff;
  background: var(--cs-brand);
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.5;
  text-align: center;
  white-space: nowrap;
  cursor: pointer;
  touch-action: manipulation;
  transition: background-color .16s ease, color .16s ease, transform .16s ease;
}
#cik-subscribe-root .cs-button svg { width: 16px; height: 16px; }
#cik-subscribe-root .cs-feed-copy { position: relative; width: 32px; height: 32px; min-height: 32px; margin-left: 4px; padding: 0; border: 0; border-radius: 8px; color: var(--cs-muted); background: none; vertical-align: middle; }
#cik-subscribe-root .cs-feed-copy svg { width: 18px; height: 18px; pointer-events: none; }
#cik-subscribe-root .cs-feed-copy .cs-copy-check { display: none; }
#cik-subscribe-root .cs-feed-copy[data-copied] { color: var(--cs-wechat); background: none; }
#cik-subscribe-root .cs-feed-copy[data-copied] .cs-copy-icon { display: none; }
#cik-subscribe-root .cs-feed-copy[data-copied] .cs-copy-check { display: block; }
#cik-subscribe-root .cs-feed-copy:disabled { cursor: progress; opacity: .65; }
#cik-subscribe-root .cs-feed-copy::after {
  content: attr(data-tooltip);
  position: absolute;
  z-index: 3;
  bottom: calc(100% + 8px);
  right: 0;
  width: max-content;
  max-width: 200px;
  padding: 6px 10px;
  border: 1px solid var(--cs-line);
  border-radius: 9px;
  color: var(--cs-ink);
  background: var(--cs-surface);
  box-shadow: 0 4px 16px rgb(0 0 0 / 8%);
  font-size: 11px;
  font-weight: 500;
  line-height: 1.5;
  white-space: nowrap;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity .14s ease;
}
#cik-subscribe-root .cs-feed-copy:is(:hover, :focus-visible)::after { visibility: visible; opacity: 1; }
#cik-subscribe-root .cs-feed-feedback { min-height: 18px; margin-top: 8px; color: var(--cs-muted); font-size: 11px; font-weight: 400; line-height: 1.65; }
#cik-subscribe-root .cs-panel-note { margin-top: auto; padding-top: 20px; color: var(--cs-muted); font-size: 12px; line-height: 1.8; }

#cik-subscribe-root .cs-follow { display: flex; flex: 1; flex-direction: column; align-items: center; justify-content: center; gap: 16px; min-width: 0; padding-top: 24px; text-align: center; }
#cik-subscribe-root .cs-qr-frame { flex: none; width: 180px; max-width: 100%; padding: 8px; border: 1px solid var(--cs-line); border-radius: 18px; background: #fff; }
#cik-subscribe-root .cs-qr-frame img { display: block; width: 100%; height: auto; max-width: 100%; aspect-ratio: 1; margin: 0; padding: 0; border: 0; border-radius: 0; background: #fff; object-fit: contain; filter: none; box-shadow: none; cursor: default; }
/* Retain the accessible image description without the theme's visible caption. */
#cik-subscribe-root .cs-qr-frame .img-alt { display: none; }
#cik-subscribe-root .cs-follow-copy { max-width: 280px; min-width: 0; }
#cik-subscribe-root .cs-follow-copy strong { display: block; font-size: 19px; font-weight: 650; line-height: 1.4; letter-spacing: -.02em; }
#cik-subscribe-root .cs-follow-copy p { margin-top: 6px; color: var(--cs-muted); font-size: 12px; line-height: 1.8; text-align: center; }
#cik-subscribe-root .cs-wechat-actions { display: flex; justify-content: flex-end; margin-top: auto; padding-top: 20px; }

#cik-subscribe-root .cs-reading { margin-top: 24px; padding: 26px 28px; border: 1px solid var(--cs-line); border-radius: 24px; background: var(--cs-surface); }
#cik-subscribe-root .cs-reading h2 { font-size: 20px; font-weight: 650; line-height: 1.4; letter-spacing: -.02em; }
#cik-subscribe-root .cs-reading > p { max-width: 780px; margin-top: 8px; color: var(--cs-muted); font-size: 13px; line-height: 1.8; }
#cik-subscribe-root .cs-reading-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 20px; }
#cik-subscribe-root .cs-reading-bottom > span { color: var(--cs-muted); font-size: 12px; }
#cik-subscribe-root .cs-reading-bottom .cs-button { color: var(--cs-ink); background: var(--cs-soft); border-color: var(--cs-line); }
#cik-subscribe-root .cs-faq { margin-top: 32px; padding: 26px 28px; border: 1px solid var(--cs-line); border-radius: 24px; background: var(--cs-surface); }
#cik-subscribe-root .cs-faq h2 { margin-bottom: 10px; font-size: 20px; font-weight: 650; line-height: 1.4; letter-spacing: -.02em; }
#cik-subscribe-root details { border-bottom: 1px solid var(--cs-line); }
#cik-subscribe-root summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 56px; padding: 16px 0; color: var(--cs-ink); font-size: 14px; font-weight: 500; line-height: 1.6; list-style: none; cursor: pointer; }
#cik-subscribe-root summary::-webkit-details-marker { display: none; }
#cik-subscribe-root summary::after { content: '+'; flex: none; color: var(--cs-muted); font-size: 24px; font-weight: 400; line-height: 1; }
#cik-subscribe-root details[open] summary::after { content: '−'; }
#cik-subscribe-root details p { max-width: 880px; padding-bottom: 18px; color: var(--cs-muted); font-size: 13px; line-height: 1.8; }

[data-theme="dark"] #cik-subscribe-root {
  --cs-ink: #f0f0f3;
  --cs-muted: #aaaab3;
  --cs-surface: #202126;
  --cs-soft: #292a31;
  --cs-line: #393b45;
  --cs-rss: #f5b47d;
  --cs-rss-tint: #30271f;
  --cs-rss-line: #514032;
  --cs-wechat: #82d7a6;
  --cs-wechat-tint: #202d26;
  --cs-wechat-line: #354d3f;
}

@media (hover: hover) {
  #cik-subscribe-root .cs-method:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgb(0 0 0 / 4%); }
  #cik-subscribe-root .cs-feed-address:hover { color: var(--cs-brand); background: none; }
  #cik-subscribe-root .cs-feed-copy:hover { color: var(--cs-brand); }
  #cik-subscribe-root .cs-feed-copy[data-copied]:hover { color: var(--cs-wechat); }
  #cik-subscribe-root :is(.cs-feed-subscribe, .cs-wechat-subscribe):hover { color: #fff; background: color-mix(in srgb, var(--cs-brand) 88%, #000); }
  #cik-subscribe-root .cs-reading .cs-button:hover { color: var(--cs-brand); border-color: var(--cs-brand); }
}
#cik-subscribe-root :is(.cs-method, .cs-button):active { transform: scale(.985); transition-duration: 80ms; }

@media (max-width: 1000px) {
  #cik-subscribe-root .cs-details { grid-template-columns: minmax(0, 1fr); }
  #cik-subscribe-root .cs-intro { align-items: flex-start; flex-direction: column; gap: 16px; }
  #cik-subscribe-root .cs-follow { flex-direction: row; justify-content: flex-start; gap: 24px; padding-block: 20px; text-align: left; }
  #cik-subscribe-root .cs-follow-copy p { text-align: left; }
}
@media (max-width: 640px) {
  #cik-subscribe-root { padding: 24px 16px 36px; }
  #cik-subscribe-root .cs-hero { padding-bottom: 22px; }
  #cik-subscribe-root h1 { max-width: 12em; font-size: 28px; line-height: 1.35; }
  #cik-subscribe-root .cs-hero p { margin-top: 10px; font-size: 13px; }
  #cik-subscribe-root .cs-methods { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  #cik-subscribe-root .cs-method { min-height: 182px; padding: 22px; border-radius: 20px; }
  #cik-subscribe-root .cs-method h2 { font-size: 26px; }
  #cik-subscribe-root .cs-intro { margin-top: 16px; margin-bottom: 26px; padding: 22px 20px; border-radius: 20px; }
  #cik-subscribe-root .cs-section-heading h2 { font-size: 22px; }
  #cik-subscribe-root .cs-panel { padding: 20px; border-radius: 20px; }
  #cik-subscribe-root .cs-details { gap: 16px; }
  #cik-subscribe-root .cs-feed-placeholder { padding: 12px; }
  #cik-subscribe-root .cs-feed-address { font-size: 11px; }
  #cik-subscribe-root .cs-feed-row { align-items: flex-start; flex-direction: column; gap: 8px; }
  #cik-subscribe-root .cs-feed-address-group { flex: none; width: 100%; }
  #cik-subscribe-root .cs-feed-subscribe { width: 100%; }
  #cik-subscribe-root .cs-feed-copy { width: 44px; height: 44px; min-height: 44px; margin-left: 0; }
  #cik-subscribe-root .cs-follow { flex-direction: column; gap: 16px; text-align: center; }
  #cik-subscribe-root .cs-follow-copy p { text-align: center; }
  #cik-subscribe-root .cs-reading { padding: 22px 20px; border-radius: 20px; }
  #cik-subscribe-root .cs-reading-bottom { align-items: flex-start; flex-direction: column; gap: 14px; }
  #cik-subscribe-root .cs-faq { margin-top: 28px; padding: 22px 20px; border-radius: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  html:has(#cik-subscribe-root) { scroll-behavior: auto; }
  #cik-subscribe-root *, #cik-subscribe-root *::after { transition: none !important; animation: none !important; }
  #cik-subscribe-root :is(.cs-method, .cs-button):is(:hover, :active) { transform: none; }
}
@media (prefers-contrast: more) {
  #cik-subscribe-root { --cs-muted: var(--cs-ink); --cs-line: var(--cs-ink); --cs-rss-line: var(--cs-rss); --cs-wechat-line: var(--cs-wechat); }
  #cik-subscribe-root .cs-method-art { opacity: .05; }
}