:root {
  color-scheme: light;
  --paper-accent-hue: 136;
  --paper-bg: #f4efe4;
  --paper-bg-deep: #ece3d3;
  --paper-sheet: #fffdf7;
  --paper-sheet-soft: rgba(255, 253, 247, .82);
  --paper-ink: #303936;
  --paper-muted: #7e8177;
  --paper-faint: #aaa99e;
  --paper-line: #ded6c6;
  --paper-line-strong: #cfc3ae;
  --paper-green: hsl(var(--paper-accent-hue) 23% 52%);
  --paper-green-soft: hsl(var(--paper-accent-hue) 37% 84%);
  --paper-green-deep: hsl(calc(var(--paper-accent-hue) + 8) 24% 38%);
  --paper-orange: hsl(calc(var(--paper-accent-hue) - 58) 44% 54%);
  --paper-orange-soft: hsl(calc(var(--paper-accent-hue) - 44) 58% 76%);
  --paper-blue: hsl(calc(var(--paper-accent-hue) + 72) 30% 61%);
  --paper-yellow: hsl(calc(var(--paper-accent-hue) - 96) 58% 69%);
  --paper-accent-primary: var(--paper-green);
  --paper-accent-primary-strong: var(--paper-green-deep);
  --paper-accent-secondary: var(--paper-orange);
  --paper-accent-secondary-soft: var(--paper-orange-soft);
  --paper-accent-tertiary: var(--paper-blue);
  --paper-accent-highlight: var(--paper-yellow);
  --paper-accent-ink: #15251b;
  --paper-shadow: 0 18px 44px rgba(91, 75, 51, .12);
  --paper-shadow-small: 0 8px 24px rgba(91, 75, 51, .10);
  --paper-radius: 5px;
  --paper-content-width: 1180px;
  --paper-font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --paper-font-display: "Noto Serif SC", "Songti SC", "STSong", serif;
  --paper-font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  --paper-theme-transition: background-color .3s ease, color .3s ease, border-color .3s ease, box-shadow .3s ease;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --paper-bg: #242722;
  --paper-bg-deep: #1e211d;
  --paper-sheet: #30342f;
  --paper-sheet-soft: rgba(48, 52, 47, .9);
  --paper-ink: #eee9dc;
  --paper-muted: #b1b2a8;
  --paper-faint: #858a80;
  --paper-line: #4c5149;
  --paper-line-strong: #666d62;
  --paper-green: hsl(var(--paper-accent-hue) 30% 69%);
  --paper-green-soft: hsl(var(--paper-accent-hue) 24% 34%);
  --paper-green-deep: hsl(calc(var(--paper-accent-hue) + 6) 34% 82%);
  --paper-orange: hsl(calc(var(--paper-accent-hue) - 58) 64% 74%);
  --paper-orange-soft: hsl(calc(var(--paper-accent-hue) - 38) 34% 44%);
  --paper-blue: hsl(calc(var(--paper-accent-hue) + 72) 39% 76%);
  --paper-yellow: hsl(calc(var(--paper-accent-hue) - 96) 55% 70%);
  --paper-accent-primary: var(--paper-green);
  --paper-accent-primary-strong: var(--paper-green-deep);
  --paper-accent-secondary: var(--paper-orange);
  --paper-accent-secondary-soft: var(--paper-orange-soft);
  --paper-accent-tertiary: var(--paper-blue);
  --paper-accent-highlight: var(--paper-yellow);
  --paper-accent-ink: #1f251f;
  --paper-shadow: 0 18px 44px rgba(0, 0, 0, .25);
  --paper-shadow-small: 0 8px 24px rgba(0, 0, 0, .2);
}

* { box-sizing: border-box; }
html { min-height: 100%; scroll-behavior: smooth; }
body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background-color: var(--paper-bg);
  background-image:
    linear-gradient(rgba(255, 255, 255, .12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .08) 1px, transparent 1px),
    radial-gradient(circle at 15% 10%, rgba(255, 255, 255, .32), transparent 28rem),
    radial-gradient(circle at 85% 80%, rgba(210, 181, 143, .1), transparent 30rem);
  background-size: 28px 28px, 28px 28px, auto, auto;
  color: var(--paper-ink);
  font-family: var(--paper-font-body);
  line-height: 1.7;
  transition: var(--paper-theme-transition);
}
body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  content: "";
  opacity: .16;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.22'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}
:root[data-theme="dark"] body::before { opacity: .08; mix-blend-mode: screen; }

/* View Transition 渐进增强：不支持时仍使用上面的纸张 token 过渡。 */
::view-transition-old(root),
::view-transition-new(root) {
  animation: none;
  mix-blend-mode: normal;
}
::view-transition-old(root) { z-index: 1; }
::view-transition-new(root) { z-index: 9999; }
:root[data-theme="dark"]::view-transition-old(root) { z-index: 9999; }
:root[data-theme="dark"]::view-transition-new(root) { z-index: 1; }
:root[data-theme-transition="to-dark"]::view-transition-old(root) { z-index: 9999; }
:root[data-theme-transition="to-dark"]::view-transition-new(root) { z-index: 1; }
:root[data-theme-transition="to-light"]::view-transition-old(root) { z-index: 1; }
:root[data-theme-transition="to-light"]::view-transition-new(root) { z-index: 9999; }

/* 转场期间由 View Transition 负责颜色变化，避免纸张元素各自延迟变色。 */
:root[data-theme-transition],
:root[data-theme-transition] *,
:root[data-theme-transition] *::before,
:root[data-theme-transition] *::after {
  transition: none !important;
}

a { color: inherit; }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
img { max-width: 100%; }
::selection { color: var(--paper-sheet); background: var(--paper-accent-secondary); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
:focus-visible {
  outline: 2px solid var(--paper-accent-secondary);
  outline-offset: 4px;
}

.site-header {
  position: relative;
  z-index: 10;
  width: 100%;
  padding: 22px 28px 0;
}
.site-header__inner {
  display: flex;
  width: min(100%, var(--paper-content-width));
  min-height: 60px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin: 0 auto;
  padding: 9px 13px 9px 15px;
  border: 1px solid var(--paper-line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--paper-sheet) 72%, transparent);
  box-shadow: var(--paper-shadow-small);
  backdrop-filter: blur(14px);
}
.site-brand {
  display: inline-flex;
  min-width: max-content;
  align-items: center;
  gap: 10px;
  color: var(--paper-ink);
  font-weight: 700;
  text-decoration: none;
}
.site-brand__mark {
  display: grid;
  width: auto;
  min-width: 33px;
  height: 33px;
  padding: 0 5px;
  place-items: center;
  border: 1px solid var(--paper-green);
  border-radius: 9px 5px 10px 5px;
  background: var(--paper-green);
  color: var(--paper-accent-ink);
  font-family: var(--paper-font-mono);
  font-size: 10px;
  letter-spacing: .03em;
  white-space: nowrap;
  overflow: hidden;
  transform: rotate(-4deg);
}
.site-brand__name { font-family: var(--paper-font-display); font-size: 17px; letter-spacing: .08em; }
/* 本地 SVG 图标：默认 Lucide，品牌 icon 可由 registry 解析为 Font Awesome Brands。 */
.pm-icon {
  display: block;
  flex: 0 0 auto;
  overflow: visible;
  color: currentColor;
  vertical-align: middle;
}
.site-nav { display: flex; flex: 1 1 auto; min-width: 0; align-items: center; justify-content: flex-end; gap: 7px; }
.site-accent { position: relative; display: flex; min-width: 0; }
.site-nav__link, .theme-toggle, .accent-toggle, .pwa-install-toggle {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--paper-muted);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .02em;
  line-height: 1;
  text-decoration: none;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transition: color .2s ease, background-color .2s ease, border-color .2s ease, transform .2s ease;
}
.theme-toggle, .accent-toggle, .pwa-install-toggle { padding-inline: 11px; }
.site-nav__link:hover, .site-nav__link.is-active, .theme-toggle:hover, .accent-toggle:hover, .pwa-install-toggle:hover, .site-accent.is-open .accent-toggle {
  border-color: var(--paper-line);
  background: var(--paper-sheet-soft);
  color: var(--paper-ink);
  transform: translateY(-1px);
}
.site-nav__link.is-active { color: var(--paper-green-deep); }
.site-nav__icon {
  width: 18px;
  height: 18px;
  color: currentColor;
  stroke-width: 1.85;
}
.site-nav__label { min-width: 0; line-height: 1; white-space: nowrap; }

.theme-toggle, .accent-toggle, .pwa-install-toggle { cursor: pointer; }
.theme-toggle:disabled, .pwa-install-toggle:disabled { cursor: wait; opacity: .62; }
.theme-toggle.is-transitioning .theme-toggle__icon { animation: paper-theme-pulse .7s ease-in-out infinite alternate; }
.theme-toggle__icon, .accent-toggle__icon, .pwa-install-toggle__icon { width: 18px; height: 18px; color: var(--paper-orange); stroke-width: 1.85; }
.accent-toggle__icon { color: var(--paper-blue); }
.pwa-install-toggle__icon { color: var(--paper-green-deep); }
.accent-toggle__label,
.pwa-install-toggle span,
.theme-toggle [data-theme-label] {
  display: none;
  min-width: 0;
  line-height: 1;
  white-space: nowrap;
}
.accent-panel {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  z-index: 35;
  width: min(318px, calc(100vw - 28px));
  padding: 14px 14px 13px;
  border: 1px solid var(--paper-line);
  border-radius: 9px 16px 10px 15px;
  background: color-mix(in srgb, var(--paper-sheet) 96%, transparent);
  box-shadow: 5px 7px 0 color-mix(in srgb, var(--paper-bg-deep) 92%, transparent), var(--paper-shadow-small);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px) rotate(-.25deg);
  transition: opacity .18s ease, transform .18s ease;
  backdrop-filter: blur(14px);
}
.site-accent.is-open .accent-panel { opacity: 1; pointer-events: auto; transform: translateY(0) rotate(-.25deg); }
.accent-panel::before {
  position: absolute;
  top: -9px;
  right: 22px;
  width: 52px;
  height: 15px;
  background: repeating-linear-gradient(135deg, color-mix(in srgb, var(--paper-accent-highlight) 82%, transparent) 0 6px, color-mix(in srgb, var(--paper-sheet) 44%, var(--paper-accent-highlight)) 6px 12px);
  box-shadow: 0 3px 7px rgba(91, 75, 51, .12);
  content: "";
  transform: rotate(4deg);
}
.accent-panel__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}
.accent-panel__eyebrow {
  margin: 0 0 4px;
  color: var(--paper-orange);
  font-family: var(--paper-font-mono);
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.accent-panel__title {
  margin: 0;
  color: var(--paper-ink);
  font-family: var(--paper-font-display);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: .04em;
  line-height: 1.45;
}
.accent-panel__reset {
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--paper-line-strong);
  border-radius: 8px;
  background: color-mix(in srgb, var(--paper-sheet-soft) 82%, transparent);
  color: var(--paper-accent-primary-strong);
  cursor: pointer;
  transition: border-color .2s ease, background-color .2s ease, color .2s ease, transform .2s ease;
}
.accent-panel__reset:hover,
.accent-panel__reset:focus-visible {
  border-color: var(--paper-accent-primary);
  background: color-mix(in srgb, var(--paper-accent-primary) 12%, var(--paper-sheet));
  transform: translateY(-1px);
}
.accent-panel__preview {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-top: 13px;
}
.accent-panel__swatch {
  display: block;
  height: 30px;
  border: 1px solid color-mix(in srgb, var(--paper-line) 86%, transparent);
  border-radius: 9px 5px 10px 6px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .35);
}
.accent-panel__swatch--primary { background: var(--paper-accent-primary); }
.accent-panel__swatch--secondary { background: var(--paper-accent-secondary); }
.accent-panel__swatch--accent { background: var(--paper-accent-tertiary); }
.accent-panel__swatch--highlight { background: var(--paper-accent-highlight); }
.accent-panel__range {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
}
.accent-panel__range-label,
.accent-panel__value {
  color: var(--paper-muted);
  font-family: var(--paper-font-mono);
  font-size: 11px;
  line-height: 1;
}
.accent-panel__value { color: var(--paper-accent-primary-strong); }
.accent-panel__range input[type="range"] {
  width: 100%;
  margin: 0;
  accent-color: var(--paper-accent-primary);
  background: linear-gradient(90deg, hsl(0 76% 73%), hsl(40 82% 70%), hsl(92 54% 68%), hsl(148 47% 62%), hsl(214 58% 70%), hsl(280 59% 76%), hsl(336 75% 74%));
  border-radius: 999px;
  appearance: none;
  height: 10px;
}
.accent-panel__range input[type="range"]::-webkit-slider-thumb {
  width: 18px;
  height: 24px;
  border: 2px solid var(--paper-sheet);
  border-radius: 7px;
  background: var(--paper-accent-primary-strong);
  box-shadow: 0 3px 9px rgba(0, 0, 0, .18);
  cursor: ew-resize;
  -webkit-appearance: none;
}
.accent-panel__range input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 24px;
  border: 2px solid var(--paper-sheet);
  border-radius: 7px;
  background: var(--paper-accent-primary-strong);
  box-shadow: 0 3px 9px rgba(0, 0, 0, .18);
  cursor: ew-resize;
}
.accent-panel__hint {
  margin: 12px 0 0;
  color: var(--paper-faint);
  font-size: 12px;
  line-height: 1.65;
}
@keyframes paper-theme-pulse { from { opacity: .48; transform: scale(.9); } to { opacity: 1; transform: scale(1.08); } }
.nav-toggle { display: none; }
.nav-toggle__icon { width: 19px; height: 19px; stroke-width: 1.9; }

#main-content { width: 100%; min-height: calc(100vh - 230px); }
.home-page {
  display: grid;
  min-height: calc(100vh - 160px);
  place-items: center;
  padding: 86px 28px 70px;
}
.home-page__paper {
  position: relative;
  width: min(100%, 760px);
  padding: clamp(38px, 7vw, 76px) clamp(28px, 8vw, 90px) 60px;
  overflow: hidden;
  transform: rotate(-.35deg);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}
.paper-surface {
  border: 1px solid var(--paper-line);
  border-radius: var(--paper-radius);
  background-color: var(--paper-sheet);
  background-image:
    linear-gradient(90deg, transparent 0 15%, color-mix(in srgb, var(--paper-accent-secondary) 18%, transparent) 15.1%, transparent 15.25%),
    linear-gradient(var(--paper-line) 1px, transparent 1px);
  background-size: auto, 100% 31px;
  box-shadow: var(--paper-shadow);
}
.paper-surface::after {
  position: absolute;
  z-index: 0;
  top: 0;
  right: 0;
  width: 48%;
  height: 100%;
  pointer-events: none;
  content: "";
  opacity: .1;
  background: repeating-linear-gradient(116deg, transparent 0 13px, var(--paper-orange) 13px 14px, transparent 14px 32px);
  transform: translateX(35%) rotate(8deg);
}
.paper-tape {
  position: absolute;
  z-index: 2;
  display: block;
  width: 130px;
  height: 29px;
  background: color-mix(in srgb, var(--paper-accent-highlight) 66%, transparent);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .35) inset;
  opacity: .88;
}
.paper-tape--top { top: 21px; right: 23%; transform: rotate(3deg); }
.home-page__eyebrow, .section-kicker {
  position: relative;
  z-index: 1;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  color: var(--paper-orange);
  font-family: var(--paper-font-mono);
  font-size: 11px;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.home-page__profile {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: clamp(22px, 5vw, 50px);
  margin: 40px 0 26px;
}
.avatar-frame {
  position: relative;
  flex: 0 0 auto;
  width: 144px;
  height: 144px;
  padding: 8px;
  border: 1px solid var(--paper-line-strong);
  background: var(--paper-sheet);
  box-shadow: 7px 8px 0 var(--paper-orange-soft);
  transform: rotate(-4deg);
}
.avatar-frame::before, .avatar-frame::after {
  position: absolute;
  content: "";
  border: 1px solid var(--paper-line);
}
.avatar-frame::before { inset: -7px 6px 6px -7px; transform: rotate(2deg); }
.avatar-frame::after { inset: 6px -7px -7px 7px; transform: rotate(-2deg); }
.avatar-frame img { display: block; width: 100%; height: 100%; object-fit: cover; background: var(--paper-bg-deep); }
.home-page__copy { position: relative; z-index: 1; }
.home-page__role { margin: 0 0 7px; color: var(--paper-muted); font-size: 13px; letter-spacing: .12em; -webkit-backface-visibility: hidden; backface-visibility: hidden; }
.home-page h1 {
  max-width: 420px;
  margin: 0;
  color: var(--paper-ink);
  font-family: var(--paper-font-display);
  font-size: clamp(31px, 5vw, 52px);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: .05em;
}
.home-page__subtitle { max-width: 400px; margin: 13px 0 0; color: var(--paper-muted); font-size: 15px; line-height: 1.9; }
.home-page__bio {
  position: relative;
  z-index: 1;
  max-width: 510px;
  margin: 0 0 31px;
  color: var(--paper-muted);
  font-size: 14px;
  line-height: 1.9;
}
.home-page__actions { position: relative; z-index: 1; display: flex; align-items: center; flex-wrap: wrap; gap: 17px; }
.paper-button {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 17px;
  border: 1px solid var(--paper-green-deep);
  border-radius: 3px 10px 4px 8px;
  font-size: 13px;
  text-decoration: none;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease;
}
.paper-button:hover { box-shadow: 4px 5px 0 var(--paper-orange-soft); transform: translate(-2px, -2px); }
.paper-button--primary { background: var(--paper-green); color: var(--paper-accent-ink); }
.home-page__note { color: var(--paper-faint); font-family: var(--paper-font-display); font-size: 14px; transform: rotate(-3deg); -webkit-backface-visibility: hidden; backface-visibility: hidden; }
.social-links { position: relative; z-index: 1; display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 37px; padding-top: 21px; border-top: 1px dashed var(--paper-line-strong); }
.social-links a { display: inline-flex; align-items: center; gap: 7px; color: var(--paper-muted); font-family: var(--paper-font-mono); font-size: 11px; text-decoration: none; }
.social-links a:hover { color: var(--paper-orange); }
.social-links__icon { display: inline-flex; width: 17px; height: 17px; align-items: center; justify-content: center; color: var(--paper-green); }
.social-links__icon .pm-icon { width: 17px; height: 17px; }
.paper-button__icon { width: 17px; height: 17px; stroke-width: 1.9; }
/* 首页 Live Dashboard 面板（接口渲染） */
.live-panel { position: relative; z-index: 1; margin-top: 40px; padding: 22px 20px 20px; border: 1px dashed var(--paper-line-strong); border-radius: 5px; background: color-mix(in srgb, var(--paper-sheet) 62%, transparent); }
.live-panel__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 17px; }
.live-panel__head__text { min-width: 0; }
.live-panel__eyebrow { display: block; margin-bottom: 5px; color: var(--paper-orange); font-family: var(--paper-font-mono); font-size: 11px; letter-spacing: .15em; text-transform: uppercase; }
.live-panel__title { margin: 0; color: var(--paper-ink); font-family: var(--paper-font-display); font-size: 21px; font-weight: 600; letter-spacing: .05em; }
.live-panel__desc { margin: 7px 0 0; color: var(--paper-muted); font-size: 13px; line-height: 1.8; }
.live-panel__open { display: inline-flex; flex: 0 0 auto; align-items: center; gap: 7px; margin-top: 2px; padding: 7px 11px; border: 1px solid var(--paper-green-deep); border-radius: 3px 9px 4px 7px; color: var(--paper-green-deep); font-family: var(--paper-font-mono); font-size: 11px; text-decoration: none; -webkit-backface-visibility: hidden; backface-visibility: hidden; transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease; }
.live-panel__open:hover { box-shadow: 3px 4px 0 var(--paper-orange-soft); transform: translate(-2px, -2px); }
.live-panel__open__icon { width: 14px; height: 14px; stroke-width: 1.9; }
.live-panel__body { border: 1px solid var(--paper-line); border-radius: 4px; background: color-mix(in srgb, var(--paper-sheet) 76%, transparent); overflow: hidden; }
.live-panel__loading { display: flex; min-height: 160px; align-items: center; justify-content: center; gap: 12px; color: var(--paper-muted); font-family: var(--paper-font-mono); font-size: 13px; }
.live-panel__loading[hidden] { display: none; }
.live-panel__loading__dots { display: inline-flex; gap: 5px; }
.live-panel__loading__dots span { width: 7px; height: 7px; border-radius: 50%; background: var(--paper-green); animation: live-dot-pulse 1.2s ease-in-out infinite; }
.live-panel__loading__dots span:nth-child(2) { animation-delay: .2s; }
.live-panel__loading__dots span:nth-child(3) { animation-delay: .4s; }
@keyframes live-dot-pulse { 0%, 80%, 100% { transform: scale(.6); opacity: .45; } 40% { transform: scale(1); opacity: 1; } }
.live-panel__content { padding: 18px 18px 16px; }
.live-panel__content[hidden] { display: none; }
.live-panel__devices { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.live-panel__device { padding: 14px 15px 12px; border: 1px dashed var(--paper-line-strong); border-radius: 4px; background: color-mix(in srgb, var(--paper-sheet) 70%, transparent); -webkit-backface-visibility: hidden; backface-visibility: hidden; transition: transform .2s ease, box-shadow .2s ease; }
.live-panel__device:hover { transform: translateY(-2px); box-shadow: 3px 4px 0 var(--paper-orange-soft); }
.live-panel__device.is-offline { opacity: .72; }
.live-panel__device__head { display: flex; align-items: center; gap: 9px; margin-bottom: 9px; }
.live-panel__device__platform { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 50%; background: var(--paper-green-soft); color: var(--paper-green-deep); }
.live-panel__device__platform .pm-icon { width: 16px; height: 16px; }
.live-panel__device__name { flex: 1 1 auto; margin: 0; color: var(--paper-ink); font-family: var(--paper-font-display); font-size: 15px; font-weight: 600; letter-spacing: .04em; }
.live-panel__device__status { padding: 2px 7px; border-radius: 10px; background: var(--paper-bg-deep); color: var(--paper-muted); font-family: var(--paper-font-mono); font-size: 10px; letter-spacing: .05em; }
.live-panel__device.is-online .live-panel__device__status { background: var(--paper-green-soft); color: var(--paper-green-deep); }
.live-panel__device__battery { display: inline-flex; align-items: center; gap: 4px; margin-left: auto; color: var(--paper-muted); font-family: var(--paper-font-mono); font-size: 10px; }
.live-panel__device__battery__icon { position: relative; width: 13px; height: 7px; border: 1px solid currentColor; border-radius: 1px; }
.live-panel__device__battery__icon::after { position: absolute; top: 1px; left: 1px; width: 55%; height: calc(100% - 2px); content: ""; background: currentColor; }
.live-panel__device__battery.is-charging .live-panel__device__battery__icon { color: var(--paper-green-deep); }
.live-panel__device__detail { margin: 0 0 6px; color: var(--paper-muted); font-size: 13px; line-height: 1.7; }
.live-panel__device__title { margin-left: 6px; padding: 1px 6px; border-radius: 3px; background: var(--paper-orange-soft); color: var(--paper-orange); font-size: 11px; }
.live-panel__device__time { margin: 0; color: var(--paper-faint); font-family: var(--paper-font-mono); font-size: 10px; }
.live-panel__empty { margin: 0; padding: 24px; color: var(--paper-muted); font-size: 13px; text-align: center; }
.live-panel__activities { margin-top: 18px; padding-top: 16px; border-top: 1px dashed var(--paper-line); }
.live-panel__activities[hidden] { display: none; }
.live-panel__activities__title { margin: 0 0 11px; color: var(--paper-orange); font-family: var(--paper-font-mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; }
.live-panel__activities__list { margin: 0; padding: 0; list-style: none; }
.live-panel__activity { display: flex; align-items: flex-start; gap: 10px; padding: 7px 0; color: var(--paper-muted); font-size: 13px; line-height: 1.6; }
.live-panel__activity__dot { flex: 0 0 auto; width: 6px; height: 6px; margin-top: 7px; border-radius: 50%; background: var(--paper-green); }
.live-panel__activity__text { flex: 1 1 auto; }
.live-panel__activity__text strong { color: var(--paper-ink); font-weight: 600; }
.live-panel__activity__time { flex: 0 0 auto; color: var(--paper-faint); font-family: var(--paper-font-mono); font-size: 10px; white-space: nowrap; }
.live-panel__viewers { margin: 14px 0 0; padding-top: 12px; border-top: 1px dashed var(--paper-line); color: var(--paper-faint); font-family: var(--paper-font-mono); font-size: 10px; letter-spacing: .05em; text-align: right; }
.live-panel__fallback { display: grid; min-height: 160px; place-items: center; gap: 17px; padding: 34px 20px; border: 1px dashed var(--paper-line-strong); border-radius: 4px; background: color-mix(in srgb, var(--paper-sheet) 62%, transparent); text-align: center; }
.live-panel__fallback[hidden] { display: none; }
.live-panel__fallback__text { margin: 0; color: var(--paper-muted); font-family: var(--paper-font-display); font-size: 15px; letter-spacing: .04em; }
.live-panel__fallback__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.live-panel__fallback__actions .paper-button { background: var(--paper-green); color: var(--paper-accent-ink); }
.live-panel__fallback__actions .paper-button + .paper-button { background: transparent; color: var(--paper-green-deep); }
.paper-sticker { position: absolute; z-index: 1; color: var(--paper-orange); font-family: var(--paper-font-mono); font-size: 11px; line-height: 1.25; letter-spacing: .05em; text-align: center; }
.paper-sticker--bottom { right: 31px; bottom: 30px; padding: 9px 10px; border: 1px solid var(--paper-orange-soft); background: color-mix(in srgb, var(--paper-orange-soft) 28%, transparent); transform: rotate(7deg); }
.home-page__footnote { margin: 28px 0 0; color: var(--paper-faint); font-family: var(--paper-font-display); font-size: 14px; text-align: center; }

.page-shell { width: min(100% - 56px, var(--paper-content-width)); margin: 0 auto; padding: 82px 0 100px; }
.page-heading { max-width: 720px; margin: 0 auto 44px; text-align: center; }
.page-heading h1 { margin: 10px 0 9px; color: var(--paper-ink); font-family: var(--paper-font-display); font-size: clamp(31px, 5vw, 47px); font-weight: 600; line-height: 1.3; letter-spacing: .08em; }
.page-heading p { margin: 0; color: var(--paper-muted); font-size: 15px; }
.page-heading--moments { margin-bottom: 30px; }
.page-heading--moments h1 { margin-bottom: 8px; }
.page-content { width: min(100%, 790px); margin: 0 auto; padding: clamp(28px, 5vw, 55px); border: 1px solid var(--paper-line); border-radius: 5px; background: var(--paper-sheet-soft); box-shadow: var(--paper-shadow-small); }
.page-content p { margin: 0 0 1.1em; color: var(--paper-muted); line-height: 2; }
.page-content p:last-child { margin-bottom: 0; }
.page-content--placeholder { min-height: 220px; display: grid; place-items: center; background-image: linear-gradient(var(--paper-line) 1px, transparent 1px); background-size: 100% 31px; text-align: center; }

/* bb-channel integration */
.page-shell--links { padding-bottom: 100px; }
.page-heading--links { margin-bottom: 34px; }
.links-summary { margin-top: 15px; color: var(--paper-faint); font-family: var(--paper-font-mono); font-size: 10px; letter-spacing: .02em; }
.links-toolbar { display: flex; min-height: 45px; align-items: center; justify-content: space-between; gap: 14px; margin: 0 0 30px; padding: 8px 11px; border: 1px dashed var(--paper-line-strong); background: color-mix(in srgb, var(--paper-sheet) 62%, transparent); color: var(--paper-muted); font-family: var(--paper-font-mono); font-size: 10px; }
.links-toolbar[hidden], .links-status[hidden] { display: none; }
.links-toolbar__message { min-width: 0; }
.links-status { min-height: 98px; display: grid; place-items: center; margin: 0 auto 35px; padding: 24px; border: 1px dashed var(--paper-line-strong); background: color-mix(in srgb, var(--paper-sheet) 62%, transparent); color: var(--paper-muted); font-family: var(--paper-font-mono); font-size: 11px; text-align: center; }
.links-groups { display: grid; gap: 63px; }
.links-group { min-width: 0; }
.links-group__heading { display: flex; min-width: 0; align-items: baseline; gap: 13px; margin: 0 0 21px; padding-bottom: 11px; border-bottom: 1px dashed var(--paper-line-strong); }
.links-group__title { min-width: 0; margin: 0; color: var(--paper-ink); font-family: var(--paper-font-display); font-size: clamp(20px, 3vw, 27px); font-weight: 600; line-height: 1.4; }
.links-group__description { min-width: 0; flex: 1 1 auto; margin: 0; overflow: hidden; color: var(--paper-muted); font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }
.links-group__count { flex: 0 0 auto; margin-left: auto; color: var(--paper-faint); font-family: var(--paper-font-mono); font-size: 9px; white-space: nowrap; }
.links-group__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 25px 20px; align-items: start; }
.links-card { min-width: 0; }
.links-card:nth-child(3n + 1) { transform: rotate(-.45deg); }
.links-card:nth-child(3n + 2) { transform: rotate(.3deg); }
.links-card:nth-child(3n) { transform: rotate(-.2deg); }
.links-card__link { position: relative; display: block; min-width: 0; overflow: visible; border: 1px solid var(--paper-line); border-radius: 4px 8px 5px 7px; background: var(--paper-sheet); box-shadow: 4px 5px 0 var(--paper-bg-deep), var(--paper-shadow-small); color: var(--paper-ink); text-decoration: none; -webkit-backface-visibility: hidden; backface-visibility: hidden; transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease; }
.links-card__link:hover, .links-card__link:focus-visible { border-color: var(--paper-orange-soft); box-shadow: 7px 9px 0 var(--paper-orange-soft), var(--paper-shadow); transform: translateY(-4px) rotate(0); }
.links-card__link:focus-visible { outline-offset: 5px; }
.links-card__shot { position: relative; display: block; width: 100%; aspect-ratio: 16 / 9; overflow: visible; border-bottom: 1px solid var(--paper-line); background: repeating-linear-gradient(135deg, var(--paper-bg-deep) 0 9px, color-mix(in srgb, var(--paper-bg-deep) 74%, var(--paper-sheet)) 9px 18px); }
.links-card__shot img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.links-card__link:hover .links-card__shot img { transform: none; }
.links-card__shot__fallback { display: grid; width: 100%; height: 100%; place-items: center; padding: 15px; color: var(--paper-faint); font-family: var(--paper-font-mono); font-size: 10px; text-align: center; }
.links-card__avatar { position: absolute; z-index: 1; right: auto; bottom: -25px; left: 17px; display: grid; width: 50px; height: 50px; place-items: center; overflow: hidden; border: 3px solid var(--paper-sheet); border-radius: 50%; background: var(--paper-bg-deep); box-shadow: 2px 3px 0 var(--paper-bg-deep); color: var(--paper-accent-ink); font-family: var(--paper-font-display); font-size: 18px; font-weight: 700; }
.links-card__avatar.is-error { background: var(--paper-green); }
.links-card__avatar img { display: block; width: 100%; height: 100%; object-fit: cover; }
.links-card__avatar__fallback { line-height: 1; }
.links-card__body { display: block; min-width: 0; padding: 35px 17px 15px; background-image: linear-gradient(var(--paper-line) 1px, transparent 1px); background-size: 100% 29px; }
.links-card__identity { display: flex; min-width: 0; flex-direction: column; gap: 2px; }
.links-card__name, .links-card__domain, .links-card__description { display: block; overflow: hidden; text-overflow: ellipsis; }
.links-card__name { color: var(--paper-ink); font-size: 15px; font-weight: 700; line-height: 1.35; white-space: nowrap; }
.links-card__domain { color: var(--paper-green-deep); font-family: var(--paper-font-mono); font-size: 9px; line-height: 1.35; white-space: nowrap; }
.links-card__description { display: -webkit-box; min-height: 4.65em; margin-top: 11px; overflow: hidden; color: var(--paper-muted); font-size: 12px; line-height: 1.55; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }
.links-card__footer { display: flex; min-width: 0; align-items: center; gap: 8px; margin-top: 13px; }
.links-card__tags { display: flex; min-width: 0; flex-wrap: wrap; gap: 5px; }
.links-card__tag, .links-card__latency { display: inline-flex; min-height: 21px; align-items: center; padding: 2px 6px; border: 1px dashed var(--paper-line-strong); color: var(--paper-muted); font-family: var(--paper-font-mono); font-size: 9px; line-height: 1.3; }
.links-card__latency { margin-left: auto; border-color: var(--paper-green); color: var(--paper-green-deep); white-space: nowrap; }
.links-card__latency.is-unavailable { border-color: var(--paper-orange-soft); color: var(--paper-orange); }
.links-card__tag { color: var(--paper-orange); }

/* 友链申请：独立的纸张名片，不依赖友链远程数据是否成功加载。 */
.friendlink-application {
  position: relative;
  margin-top: 69px;
  padding: clamp(26px, 5vw, 47px);
  border: 1px solid var(--paper-line);
  border-radius: 6px 13px 7px 11px;
  background-color: var(--paper-sheet);
  background-image: linear-gradient(var(--paper-line) 1px, transparent 1px);
  background-size: 100% 31px;
  box-shadow: 6px 7px 0 var(--paper-bg-deep), var(--paper-shadow-small);
  transform: rotate(.12deg);
}
.friendlink-application::before {
  position: absolute;
  top: -35px;
  right: 10%;
  left: 10%;
  height: 1px;
  border-top: 1px dashed var(--paper-line-strong);
  content: "";
}
.friendlink-application__tape {
  position: absolute;
  top: -13px;
  right: clamp(22px, 10%, 102px);
  width: 118px;
  height: 27px;
  opacity: .72;
  background: rgba(223, 196, 123, .75);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .3) inset;
  transform: rotate(3deg);
}
.friendlink-application__heading { position: relative; max-width: 690px; margin-bottom: 27px; }
.friendlink-application__heading .section-kicker,
.friendlink-status__heading .section-kicker { color: var(--paper-green-deep); }
.friendlink-application__heading h2 { margin: 8px 0 8px; color: var(--paper-ink); font-family: var(--paper-font-display); font-size: clamp(25px, 4vw, 35px); font-weight: 600; line-height: 1.3; letter-spacing: .06em; }
.friendlink-application__heading p { max-width: 590px; margin: 0; color: var(--paper-ink); font-size: 13px; line-height: 1.8; }
.friendlink-application__noscript,
.friendlink-application__unavailable {
  margin: 0 0 20px;
  padding: 10px 12px;
  border: 1px dashed var(--paper-orange-soft);
  background: color-mix(in srgb, var(--paper-orange-soft) 18%, transparent);
  color: var(--paper-orange);
  font-size: 13px;
  line-height: 1.65;
}
.friendlink-application__unavailable[hidden] { display: none; }
.friendlink-conditions {
  min-width: 0;
  margin: 0;
  padding: 15px 18px 17px;
  border: 1px dashed var(--paper-line-strong);
  background: color-mix(in srgb, var(--paper-bg) 48%, transparent);
}
.friendlink-conditions legend { padding: 0 8px; color: var(--paper-green-deep); font-family: var(--paper-font-display); font-size: 16px; font-weight: 600; }
.friendlink-conditions__hint { margin: 0 0 11px; color: var(--paper-faint); font-family: var(--paper-font-mono); font-size: 10px; line-height: 1.7; }
.friendlink-conditions__hint[hidden] { display: none; }
.friendlink-conditions__list { display: grid; gap: 9px; }
.friendlink-condition { display: flex; min-width: 0; align-items: flex-start; gap: 9px; color: var(--paper-muted); font-size: 13px; line-height: 1.65; cursor: pointer; }
.friendlink-condition input { width: 17px; height: 17px; flex: 0 0 auto; margin: .22em 0 0; accent-color: var(--paper-green); cursor: pointer; }
.friendlink-condition span { min-width: 0; }
.friendlink-condition strong { color: var(--paper-green-deep); font-weight: 700; }
.friendlink-mode-switch { margin-top: 23px; padding: 15px 16px; border: 1px dashed var(--paper-line-strong); background: color-mix(in srgb, var(--paper-sheet) 72%, transparent); }
.friendlink-mode-switch[hidden] { display: none; }
.friendlink-mode-switch > p { margin: 0 0 10px; color: var(--paper-muted); font-family: var(--paper-font-mono); font-size: 10px; }
.friendlink-mode-switch__buttons { display: flex; flex-wrap: wrap; gap: 10px; }
.friendlink-mode-switch__button {
  min-height: 38px;
  flex: 1 1 180px;
  padding: 8px 13px;
  border: 1px dashed var(--paper-line-strong);
  border-radius: 3px 8px 4px 7px;
  background: var(--paper-sheet);
  color: var(--paper-ink);
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  text-align: left;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease, background-color .2s ease, color .2s ease;
}
.friendlink-mode-switch__button:hover,
.friendlink-mode-switch__button:focus-visible { border-color: var(--paper-green); color: var(--paper-green-deep); transform: translateY(-1px); }
.friendlink-mode-switch__button[aria-pressed="true"] { border-style: solid; border-color: var(--paper-green-deep); background: var(--paper-green); box-shadow: 3px 3px 0 var(--paper-bg-deep); color: var(--paper-accent-ink); }
.friendlink-mode-switch__button:disabled { cursor: not-allowed; opacity: .6; }
.friendlink-form { margin-top: 24px; }
.friendlink-form[hidden] { display: none; }
.friendlink-form__title { margin: 0 0 5px; color: var(--paper-ink); font-family: var(--paper-font-display); font-size: 20px; font-weight: 600; line-height: 1.35; }
.friendlink-form__intro { margin: 0 0 17px; color: var(--paper-muted); font-size: 12px; line-height: 1.7; }
.friendlink-field--original { margin-bottom: 3px; padding: 13px; border: 1px dashed var(--paper-green); background: color-mix(in srgb, var(--paper-green) 8%, transparent); }
.friendlink-form__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 17px 19px; }
.friendlink-field { display: grid; min-width: 0; gap: 6px; }
.friendlink-field--wide { grid-column: 1 / -1; }
.friendlink-field label { color: var(--paper-ink); font-size: 13px; font-weight: 600; }
.friendlink-field label > span[aria-hidden="true"] { color: var(--paper-orange); }
.friendlink-field__optional { color: var(--paper-faint); font-family: var(--paper-font-mono); font-size: 10px; font-weight: 400; }
.friendlink-field input,
.friendlink-field textarea {
  width: 100%;
  min-width: 0;
  padding: 9px 11px;
  border: 1px solid var(--paper-line-strong);
  border-radius: 3px 7px 4px 6px;
  outline: none;
  background: color-mix(in srgb, var(--paper-sheet) 86%, var(--paper-bg));
  color: var(--paper-ink);
  font-size: 14px;
  line-height: 1.55;
  transition: border-color .2s ease, box-shadow .2s ease, background-color .2s ease;
}
.friendlink-field textarea { min-height: 86px; resize: vertical; }
.friendlink-field input::placeholder,
.friendlink-field textarea::placeholder { color: var(--paper-faint); opacity: 1; }
.friendlink-field input:hover,
.friendlink-field textarea:hover { border-color: var(--paper-green); }
.friendlink-field input:focus,
.friendlink-field textarea:focus { border-color: var(--paper-green-deep); box-shadow: 3px 3px 0 color-mix(in srgb, var(--paper-green) 32%, transparent); }
.friendlink-field input:invalid:not(:placeholder-shown),
.friendlink-field textarea:invalid:not(:placeholder-shown) { border-color: var(--paper-orange); }
.friendlink-field__note { color: var(--paper-faint); font-family: var(--paper-font-mono); font-size: 10px; line-height: 1.6; }
.friendlink-form__error,
.friendlink-form__status { margin-top: 18px; padding: 9px 11px; border: 1px dashed var(--paper-line-strong); font-size: 13px; line-height: 1.65; }
.friendlink-form__error { border-color: var(--paper-orange-soft); background: color-mix(in srgb, var(--paper-orange-soft) 16%, transparent); color: var(--paper-orange); }
.friendlink-form__status { background: color-mix(in srgb, var(--paper-green) 13%, transparent); color: var(--paper-green-deep); }
/* 友链申请 — 本站信息卡片 */
.site-intro {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 27px;
  padding: 20px 22px;
  border: 1px dashed var(--paper-line-strong);
  border-radius: 5px 10px 6px 9px;
  background: color-mix(in srgb, var(--paper-sheet) 72%, transparent);
  transform: rotate(-.15deg);
}
.site-intro__tape {
  position: absolute;
  top: -10px;
  right: clamp(20px, 8%, 80px);
  width: 80px;
  height: 22px;
  opacity: .65;
  background: rgba(111, 146, 116, .42);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .3) inset;
  transform: rotate(-2deg);
}
.site-intro__head {
  display: flex;
  align-items: flex-start;
  gap: 20px;
}
.site-intro__avatar {
  flex: 0 0 auto;
  width: 60px;
  height: 60px;
  overflow: hidden;
  border: 3px solid var(--paper-sheet);
  border-radius: 50%;
  background: var(--paper-green);
  box-shadow: 2px 3px 0 var(--paper-bg-deep);
  transform: rotate(2deg);
}
.site-intro__avatar img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.site-intro__avatar__fallback {
  display: grid;
  width: 100%;
  height: 100%;
  place-items: center;
  color: #15251b;
  font-family: var(--paper-font-display);
  font-size: 20px;
  font-weight: 700;
}
.site-intro__info {
  min-width: 0;
  flex: 1 1 auto;
}
.site-intro__kicker {
  display: block;
  margin-bottom: 1px;
  color: var(--paper-faint);
  font-family: var(--paper-font-mono);
  font-size: 10px;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.site-intro__info h3 {
  margin: 0 0 5px;
  color: var(--paper-green-deep);
  font-family: var(--paper-font-display);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.35;
}
.site-intro__desc {
  margin: 0 0 8px;
  color: var(--paper-muted);
  font-size: 12px;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.site-intro__link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--paper-green-deep);
  text-decoration: none;
  font-family: var(--paper-font-mono);
  font-size: 11px;
  line-height: 1.4;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transition: color .2s ease, transform .2s ease;
}
.site-intro__link:hover,
.site-intro__link:focus-visible {
  color: var(--paper-orange);
  transform: translateY(-1px);
}
.site-intro__link__domain {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 320px;
}
.site-intro__link__icon {
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
}
.site-intro__shot {
  flex: 0 0 auto;
  width: 180px;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--paper-line);
  border-radius: 3px 7px 4px 6px;
  background: repeating-linear-gradient(135deg, var(--paper-bg-deep) 0 9px, color-mix(in srgb, var(--paper-bg-deep) 74%, var(--paper-sheet)) 9px 18px);
  transform: rotate(1deg);
}
.site-intro__shot img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.site-intro__shot__fallback {
  display: grid;
  width: 100%;
  height: 100%;
  place-items: center;
  padding: 8px;
  color: var(--paper-faint);
  font-family: var(--paper-font-mono);
  font-size: 9px;
  text-align: center;
}
/* 代码块 */
.site-intro__code {
  margin-top: 16px;
  border: 1px solid var(--paper-line);
  border-radius: 4px 8px 5px 7px;
  background: var(--paper-bg-deep);
  overflow: hidden;
}
.site-intro__code__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border-bottom: 1px solid var(--paper-line);
  background: color-mix(in srgb, var(--paper-sheet) 40%, transparent);
}
.site-intro__code__label {
  margin-right: auto;
  color: var(--paper-faint);
  font-family: var(--paper-font-mono);
  font-size: 10px;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.site-intro__code__tabs {
  display: flex;
  gap: 2px;
}
.site-intro__code__tab {
  padding: 3px 10px;
  border: 1px solid transparent;
  border-radius: 3px 5px 3px 5px;
  background: transparent;
  color: var(--paper-muted);
  font-family: var(--paper-font-mono);
  font-size: 11px;
  cursor: pointer;
  transition: background .2s, color .2s, border-color .2s;
}
.site-intro__code__tab:hover {
  color: var(--paper-ink);
  background: color-mix(in srgb, var(--paper-sheet) 60%, transparent);
}
.site-intro__code__tab:focus-visible {
  outline: 2px solid var(--paper-green);
  outline-offset: 1px;
}
.site-intro__code__tab[aria-selected="true"] {
  color: var(--paper-green-deep);
  background: var(--paper-sheet);
  border-color: var(--paper-line);
  font-weight: 600;
}
.site-intro__code__copy {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border: 1px solid var(--paper-line);
  border-radius: 3px 5px 3px 5px;
  background: var(--paper-sheet);
  color: var(--paper-muted);
  font-family: var(--paper-font-mono);
  font-size: 11px;
  cursor: pointer;
  transition: background .2s, color .2s, border-color .2s;
}
.site-intro__code__copy:hover {
  color: var(--paper-green-deep);
  border-color: var(--paper-green-deep);
  background: color-mix(in srgb, var(--paper-green) 8%, var(--paper-sheet));
}
.site-intro__code__copy:focus-visible {
  outline: 2px solid var(--paper-green);
  outline-offset: 1px;
}
.site-intro__code__copy__icon {
  flex: 0 0 auto;
  width: 15px;
  height: 15px;
}
.site-intro__code__copy.is-copied {
  color: var(--paper-green-deep);
  border-color: var(--paper-green-deep);
}
.site-intro__code__pre {
  margin: 0;
  padding: 14px 16px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  font-family: var(--paper-font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--paper-ink);
  background: transparent;
}
.site-intro__code__pre code {
  display: block;
  white-space: pre;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
  transition: opacity .25s;
}
.site-intro__code__pre code[hidden] {
  display: none;
}
.friendlink-form__error[hidden], .friendlink-form__status[hidden] { display: none; }
.friendlink-form__actions { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 23px; padding-top: 18px; border-top: 1px dashed var(--paper-line-strong); }
.friendlink-form__actions p { max-width: 545px; margin: 0; color: var(--paper-faint); font-family: var(--paper-font-mono); font-size: 10px; line-height: 1.7; }
.friendlink-form__submit {
  display: inline-flex;
  min-height: 40px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  padding: 9px 18px;
  border: 1px solid var(--paper-green-deep);
  border-radius: 3px 9px 4px 8px;
  background: var(--paper-green);
  box-shadow: 3px 4px 0 var(--paper-bg-deep);
  color: #15251b;
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease;
}
.friendlink-form__submit:hover:not(:disabled),
.friendlink-form__submit:focus-visible:not(:disabled) { background: var(--paper-yellow); box-shadow: 5px 6px 0 var(--paper-orange-soft); transform: translate(-2px, -2px); }
.friendlink-form__submit:disabled { cursor: wait; opacity: .65; }
.friendlink-success { display: grid; min-height: 216px; place-items: center; align-content: center; padding: 34px 21px; border: 1px dashed var(--paper-green); background: color-mix(in srgb, var(--paper-green) 10%, transparent); text-align: center; }
.friendlink-success__mark { display: grid; width: 47px; height: 47px; place-items: center; border: 1px solid var(--paper-green-deep); border-radius: 50%; background: var(--paper-sheet); color: var(--paper-green-deep); font-size: 25px; font-weight: 700; }
.friendlink-success h3 { margin: 15px 0 5px; color: var(--paper-ink); font-family: var(--paper-font-display); font-size: 22px; font-weight: 600; }
.friendlink-success p { max-width: 450px; margin: 0; color: var(--paper-muted); font-size: 13px; line-height: 1.75; }

/* 公开申请记录：仅渲染 FriendLink Verify 明确公开的字段。 */
.friendlink-status {
  position: relative;
  margin-top: 72px;
  padding: clamp(26px, 5vw, 45px);
  border: 1px solid var(--paper-line);
  border-radius: 10px 5px 12px 6px;
  background: color-mix(in srgb, var(--paper-sheet) 91%, var(--paper-bg));
  box-shadow: 5px 6px 0 var(--paper-bg-deep), var(--paper-shadow-small);
  transform: rotate(-.1deg);
}
.friendlink-status::before { position: absolute; top: -36px; right: 11%; left: 11%; border-top: 1px dashed var(--paper-line-strong); content: ""; }
.friendlink-status__tape { position: absolute; top: -12px; left: clamp(24px, 10%, 105px); width: 108px; height: 24px; background: color-mix(in srgb, var(--paper-green) 45%, transparent); opacity: .72; transform: rotate(-4deg); }
.friendlink-status__heading { position: relative; max-width: 660px; margin-bottom: 25px; }
.friendlink-status__heading h2 { margin: 8px 0 8px; color: var(--paper-ink); font-family: var(--paper-font-display); font-size: clamp(25px, 4vw, 34px); font-weight: 600; line-height: 1.3; letter-spacing: .06em; }
.friendlink-status__heading p { margin: 0; color: var(--paper-ink); font-size: 13px; line-height: 1.8; }
.friendlink-status__noscript,
.friendlink-status__unavailable { margin: 0 0 18px; padding: 10px 12px; border: 1px dashed var(--paper-orange-soft); background: color-mix(in srgb, var(--paper-orange-soft) 16%, transparent); color: var(--paper-orange); font-size: 13px; line-height: 1.65; }
.friendlink-status__unavailable[hidden] { display: none; }
.friendlink-status__tools { display: flex; align-items: flex-end; flex-wrap: wrap; gap: 11px; margin-bottom: 19px; padding: 12px; border: 1px dashed var(--paper-line-strong); background: color-mix(in srgb, var(--paper-bg) 45%, transparent); }
.friendlink-status__filter-label,
.friendlink-status__search-label { display: grid; min-width: 0; gap: 5px; color: var(--paper-ink); font-family: var(--paper-font-mono); font-size: 10px; }
.friendlink-status__filter-label { flex: 0 1 155px; }
.friendlink-status__search-label { flex: 1 1 240px; }
.friendlink-status select,
.friendlink-status input {
  width: 100%;
  min-height: 35px;
  padding: 6px 9px;
  border: 1px solid var(--paper-line-strong);
  border-radius: 3px 7px 4px 6px;
  outline: none;
  background: var(--paper-sheet);
  color: var(--paper-ink);
  font-family: var(--paper-font-body);
  font-size: 13px;
}
.friendlink-status select:focus,
.friendlink-status input:focus { border-color: var(--paper-green-deep); box-shadow: 3px 3px 0 color-mix(in srgb, var(--paper-green) 25%, transparent); }
.friendlink-status__clear { min-height: 35px; padding: 6px 10px; border: 1px solid var(--paper-orange-soft); border-radius: 3px 7px 4px 6px; background: transparent; color: var(--paper-orange); cursor: pointer; font-size: 12px; }
.friendlink-status__clear[hidden] { display: none; }
.friendlink-status__count { min-height: 35px; display: inline-flex; align-items: center; margin-left: auto; color: var(--paper-ink); font-family: var(--paper-font-mono); font-size: 10px; white-space: nowrap; }
.friendlink-status__message { display: grid; min-height: 78px; place-items: center; margin-bottom: 18px; padding: 16px; border: 1px dashed var(--paper-line-strong); color: var(--paper-muted); font-family: var(--paper-font-mono); font-size: 11px; text-align: center; }
.friendlink-status__message[hidden] { display: none; }
.friendlink-status__message[data-state="error"] { border-color: var(--paper-orange-soft); color: var(--paper-orange); }
.friendlink-status__message[data-state="empty"] { color: var(--paper-faint); }
.friendlink-status__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; padding: 0; margin: 0; list-style: none; outline: none; }
.friendlink-status__grid:focus-visible { outline: 2px solid var(--paper-orange); outline-offset: 5px; }
.friendlink-status-card { min-width: 0; padding: 16px; border: 1px solid var(--paper-line); border-radius: 4px 8px 5px 7px; background: var(--paper-sheet); box-shadow: 3px 4px 0 var(--paper-bg-deep); }
.friendlink-status-card:nth-child(3n + 1) { transform: rotate(-.3deg); }
.friendlink-status-card:nth-child(3n + 2) { transform: rotate(.22deg); }
.friendlink-status-card__top { display: flex; min-width: 0; align-items: flex-start; gap: 8px; }
.friendlink-status-card__name { min-width: 0; flex: 1 1 auto; margin: 0; overflow: hidden; color: var(--paper-ink); font-size: 15px; line-height: 1.4; text-overflow: ellipsis; white-space: nowrap; }
.friendlink-status-card__badges { display: flex; flex: 0 0 auto; flex-wrap: wrap; justify-content: flex-end; gap: 4px; }
.friendlink-status-card__badge,
.friendlink-status-card__type { display: inline-flex; min-height: 21px; align-items: center; padding: 2px 6px; border: 1px dashed var(--paper-line-strong); font-family: var(--paper-font-mono); font-size: 9px; line-height: 1.3; white-space: nowrap; }
.friendlink-status-card__badge.is-pending { border-color: var(--paper-yellow); color: color-mix(in srgb, var(--paper-orange) 75%, var(--paper-ink)); }
.friendlink-status-card__badge.is-approved { border-color: var(--paper-green); color: var(--paper-green-deep); }
.friendlink-status-card__badge.is-rejected { border-color: var(--paper-orange-soft); color: var(--paper-orange); }
.friendlink-status-card__type { color: var(--paper-faint); }
.friendlink-status-card__description { display: -webkit-box; min-height: 3.2em; margin: 12px 0 0; overflow: hidden; color: var(--paper-muted); font-size: 12px; line-height: 1.6; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.friendlink-status-card__actions { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 13px; padding-top: 11px; border-top: 1px dashed var(--paper-line); }
.friendlink-status-card__link { color: var(--paper-green-deep); font-family: var(--paper-font-mono); font-size: 10px; text-decoration: none; }
.friendlink-status-card__link:hover,
.friendlink-status-card__link:focus-visible { color: var(--paper-orange); text-decoration: underline; }
.friendlink-status__footer { display: flex; min-height: 39px; align-items: center; justify-content: center; gap: 15px; margin-top: 21px; }
.friendlink-status__footer .paper-retry[hidden] { display: none; }
.friendlink-status__pagination { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 6px; }
.friendlink-status__page { min-width: 34px; min-height: 33px; padding: 5px 9px; border: 1px solid var(--paper-line-strong); border-radius: 3px 7px 4px 6px; background: var(--paper-sheet); color: var(--paper-muted); cursor: pointer; font-size: 11px; }
.friendlink-status__page:hover:not(:disabled),
.friendlink-status__page:focus-visible:not(:disabled),
.friendlink-status__page.is-current { border-color: var(--paper-green-deep); background: color-mix(in srgb, var(--paper-green) 18%, var(--paper-sheet)); color: var(--paper-green-deep); }
.friendlink-status__page:disabled { cursor: not-allowed; opacity: .45; }
.friendlink-status__dots { padding: 0 2px; color: var(--paper-faint); font-family: var(--paper-font-mono); }

/* about 页面：作者介绍、心路历程、赞助贴纸墙 */
.page-shell--about { padding-bottom: 100px; }
.page-heading--about { margin-bottom: 42px; }

.about-section-heading {
  position: relative;
  max-width: 720px;
  margin: 0 auto 34px;
  text-align: center;
}
.about-section-heading .section-kicker { color: var(--paper-green-deep); }
.about-section-heading h2 {
  margin: 10px 0 8px;
  color: var(--paper-ink);
  font-family: var(--paper-font-display);
  font-size: clamp(25px, 4vw, 35px);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: .06em;
}
.about-section-heading p {
  max-width: 560px;
  margin: 0 auto;
  color: var(--paper-muted);
  font-size: 13px;
  line-height: 1.8;
}

/* 作者介绍卡 */
.about-author { margin-bottom: 76px; }
.about-author__paper {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(26px, 5vw, 54px);
  align-items: center;
  width: min(100%, 860px);
  margin: 0 auto;
  padding: clamp(30px, 6vw, 58px) clamp(26px, 6vw, 66px);
  overflow: hidden;
  transform: rotate(.18deg);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}
.about-author__avatar { position: relative; z-index: 1; }
/* 手账拍立得：照片卡 + 双胶带 + 签条 */
.about-photo {
  position: relative;
  width: 196px;
  padding: 10px 10px 13px;
  border: 1px solid var(--paper-line);
  border-radius: 3px 9px 4px 8px;
  background: var(--paper-sheet);
  box-shadow: 9px 10px 0 var(--paper-bg-deep), var(--paper-shadow-small);
  transform: rotate(-3.2deg);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transition: transform .25s ease, box-shadow .25s ease;
}
.about-author__paper:hover .about-photo {
  transform: rotate(-1.4deg) translateY(-2px);
  box-shadow: 12px 14px 0 var(--paper-orange-soft), var(--paper-shadow);
}
.about-photo__frame {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  border: 1px solid var(--paper-line);
  background: var(--paper-bg-deep);
}
.about-photo__frame img { display: block; width: 100%; height: 100%; object-fit: cover; }
.about-photo__caption {
  display: block;
  margin-top: 9px;
  overflow: hidden;
  color: var(--paper-green-deep);
  font-family: var(--paper-font-display);
  font-size: 13px;
  letter-spacing: .14em;
  line-height: 1.3;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}
.about-photo__tape {
  position: absolute;
  z-index: 2;
  top: -12px;
  width: 74px;
  height: 24px;
  background: rgba(223, 196, 123, .74);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .32) inset;
}
.about-photo__tape--left { left: 13px; transform: rotate(-42deg); }
.about-photo__tape--right { right: 13px; transform: rotate(42deg); }
.about-author__info { position: relative; z-index: 1; min-width: 0; }
.about-author__info .section-kicker { color: var(--paper-orange); }
.about-author__info h2 {
  margin: 10px 0 5px;
  color: var(--paper-ink);
  font-family: var(--paper-font-display);
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: .05em;
}
.about-author__role { margin: 0 0 10px; color: var(--paper-green-deep); font-size: 13px; letter-spacing: .1em; }
.about-author__bio { max-width: 470px; margin: 0 0 20px; color: var(--paper-muted); font-size: 14px; line-height: 1.9; }
.about-author__tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.about-author__tag {
  padding: 4px 10px;
  border: 1px dashed var(--paper-line-strong);
  border-radius: 3px 8px 4px 7px;
  background: color-mix(in srgb, var(--paper-sheet) 76%, transparent);
  color: var(--paper-muted);
  font-size: 12px;
  line-height: 1.5;
}
.about-author__tag--1 { border-color: var(--paper-orange-soft); color: var(--paper-orange); }
.about-author__tag--2 { border-color: var(--paper-green); color: var(--paper-green-deep); }
.about-author__tag--3 { border-color: var(--paper-blue); color: var(--paper-blue); }
.paper-sticker--about { top: 26px; right: 26px; transform: rotate(6deg); }

/* 心路历程 */
.about-journey { margin-bottom: 76px; }
.about-journey__stage {
  position: relative;
  width: min(100%, 860px);
  margin: 0 auto;
}
.about-journey__paper {
  position: relative;
  width: 100%;
  padding: clamp(32px, 6vw, 60px) clamp(26px, 7vw, 72px) clamp(36px, 6vw, 64px);
  overflow: hidden;
  transform: rotate(-.15deg);
}
.paper-tape--journey {
  top: -13px;
  left: clamp(30px, 12%, 130px);
  width: 122px;
  height: 27px;
  transform: rotate(-3deg);
}
.about-journey__content {
  position: relative;
  z-index: 1;
  min-width: 0;
  color: var(--paper-ink);
  font-size: 14px;
  line-height: 2;
}
.about-journey__content > :first-child { margin-top: 0 !important; }
.about-journey__content > :last-child { margin-bottom: 0 !important; }
.about-journey__content h1,
.about-journey__content h2,
.about-journey__content h3,
.about-journey__content h4 {
  color: var(--paper-ink);
  font-family: var(--paper-font-display);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: .03em;
}
.about-journey__content h1 { margin: 1.6em 0 .7em; font-size: 24px; }
.about-journey__content h2 {
  margin: 1.6em 0 .6em;
  padding-bottom: .3em;
  border-bottom: 1px dashed var(--paper-line-strong);
  font-size: 21px;
}
.about-journey__content h3 { margin: 1.4em 0 .5em; font-size: 18px; }
.about-journey__content h4 { margin: 1.3em 0 .4em; font-size: 15px; }
.about-journey__content p { margin: 0 0 1em; color: var(--paper-ink); }
.about-journey__content a {
  border-bottom: 1px solid color-mix(in srgb, var(--paper-green) 45%, transparent);
  color: var(--paper-green-deep);
  text-decoration: none;
}
.about-journey__content a:hover { border-color: var(--paper-orange-soft); color: var(--paper-orange); }
.about-journey__content strong,
.about-journey__content b { color: var(--paper-orange); font-weight: 700; }
.about-journey__content em { color: var(--paper-green-deep); }
.about-journey__content del { color: var(--paper-faint); }
.about-journey__content ul,
.about-journey__content ol { margin: 0 0 1em; padding-left: 1.6em; }
.about-journey__content li { margin: .35em 0; color: var(--paper-ink); }
.about-journey__content li::marker { color: var(--paper-orange); }
.about-journey__content blockquote {
  margin: 1.2em 0;
  padding: .7em 1.1em;
  border-left: 3px solid var(--paper-orange-soft);
  background: color-mix(in srgb, var(--paper-orange-soft) 14%, transparent);
  color: var(--paper-muted);
}
.about-journey__content blockquote p { margin: .4em 0; }
.about-journey__content code {
  padding: .15em .4em;
  border: 1px solid var(--paper-line);
  border-radius: 3px;
  background: color-mix(in srgb, var(--paper-bg-deep) 55%, var(--paper-sheet));
  color: var(--paper-green-deep);
  font-family: var(--paper-font-mono);
  font-size: .9em;
}
.about-journey__content pre {
  margin: 1.2em 0;
  padding: 1em 1.1em;
  overflow-x: auto;
  border: 1px solid var(--paper-line);
  border-radius: 4px 8px 5px 7px;
  background: color-mix(in srgb, var(--paper-bg-deep) 45%, var(--paper-sheet));
  color: var(--paper-ink);
  font-family: var(--paper-font-mono);
  font-size: 12px;
  line-height: 1.7;
}
.about-journey__content pre code { padding: 0; border: 0; background: transparent; color: inherit; }
.about-journey__content img {
  display: block;
  max-width: 100%;
  margin: 1.2em auto;
  border: 1px solid var(--paper-line);
  border-radius: 4px;
  box-shadow: var(--paper-shadow-small);
}
.about-journey__content hr { width: 42%; margin: 1.8em auto; border: 0; border-top: 1px dashed var(--paper-line-strong); }
.about-journey__content table { width: 100%; margin: 1.2em 0; border-collapse: collapse; font-size: 13px; }
.about-journey__content th,
.about-journey__content td { padding: .5em .7em; border: 1px solid var(--paper-line); text-align: left; }
.about-journey__content th {
  background: color-mix(in srgb, var(--paper-green) 14%, var(--paper-sheet));
  color: var(--paper-green-deep);
  font-weight: 600;
}
.about-journey__content input[type="checkbox"] { margin-right: .35em; accent-color: var(--paper-green); }

/* 赞助贴纸墙 */
.about-sponsors { position: relative; }
.about-sponsors__toolbar {
  display: flex;
  min-height: 45px;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin: 0 0 30px;
  padding: 8px 11px;
  border: 1px dashed var(--paper-line-strong);
  background: color-mix(in srgb, var(--paper-sheet) 62%, transparent);
  color: var(--paper-muted);
  font-family: var(--paper-font-mono);
  font-size: 10px;
}
.about-sponsors__toolbar[hidden],
.about-sponsors__status[hidden] { display: none; }
.about-sponsors__toolbar .paper-retry { flex: 0 0 auto; }
.about-sponsors__message { min-width: 0; }
.about-sponsors__status {
  min-height: 96px;
  display: grid;
  place-items: center;
  margin: 0 auto 32px;
  padding: 22px;
  border: 1px dashed var(--paper-line-strong);
  background: color-mix(in srgb, var(--paper-sheet) 62%, transparent);
  color: var(--paper-muted);
  font-family: var(--paper-font-mono);
  font-size: 11px;
  text-align: center;
}
.about-sponsors__wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(104px, 1fr));
  gap: 26px 18px;
  justify-items: center;
  margin: 0 auto;
  padding: 0;
  list-style: none;
}
.about-sponsor-stamp { min-width: 0; max-width: 118px; }
.about-sponsor-stamp__button {
  display: flex;
  width: 100%;
  flex-direction: column;
  align-items: center;
  gap: 9px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--paper-ink);
  font: inherit;
  text-align: center;
  cursor: pointer;
}
.about-sponsor-stamp__tilt {
  display: block;
  transition: transform .22s ease;
}
.about-sponsor-stamp:nth-child(odd) .about-sponsor-stamp__tilt { transform: rotate(-2deg); }
.about-sponsor-stamp:nth-child(even) .about-sponsor-stamp__tilt { transform: rotate(1.6deg); }
.about-sponsor-stamp__button:hover .about-sponsor-stamp__tilt,
.about-sponsor-stamp__button:focus-visible .about-sponsor-stamp__tilt { transform: translateY(-3px) rotate(0); }
.about-sponsor-stamp__card {
  position: relative;
  display: block;
  padding: 7px;
  background: var(--paper-sheet);
  filter: drop-shadow(2px 3px 0 var(--paper-bg-deep)) drop-shadow(0 6px 14px rgba(91, 75, 51, .1));
}
.about-sponsor-stamp__avatar {
  display: block;
  width: 88px;
  height: 88px;
  overflow: hidden;
  background: var(--paper-bg-deep);
  color: var(--paper-faint);
  font-family: var(--paper-font-display);
  font-size: 30px;
  line-height: 88px;
  text-align: center;
}
.about-sponsor-stamp__avatar img { display: block; width: 100%; height: 100%; object-fit: cover; }
.about-sponsor-stamp__avatar__fallback { display: block; }
.about-sponsor-stamp__name {
  display: block;
  max-width: 100%;
  overflow: hidden;
  color: var(--paper-ink);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.about-sponsor-stamp__tier {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 8px;
  border: 1px dashed var(--paper-line-strong);
  border-radius: 999px;
  font-family: var(--paper-font-mono);
  font-size: 9px;
  line-height: 1.4;
  white-space: nowrap;
}
.about-sponsor-stamp__tier.is-coffee { border-color: var(--paper-blue); color: var(--paper-blue); }
.about-sponsor-stamp__tier.is-meal { border-color: var(--paper-green); color: var(--paper-green-deep); }
.about-sponsor-stamp__tier.is-rocket { border-color: var(--paper-orange-soft); color: var(--paper-orange); }
.about-sponsor-stamp__tier.is-default { border-color: var(--paper-orange-soft); color: var(--paper-orange); }
.about-sponsors__cta {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 15px;
  margin-top: 44px;
  padding-top: 30px;
  border-top: 1px dashed var(--paper-line-strong);
}
.about-sponsors__cta[hidden] { display: none; }
.about-sponsors__cta-note { color: var(--paper-faint); font-family: var(--paper-font-display); font-size: 14px; transform: rotate(-2deg); }

/* B 站风格充电按钮：粉色按钮 + 管线 + hover 流光 */
.about-charge {
  position: relative;
  display: inline-flex;
  min-height: 55px;
  align-items: center;
}
.about-charge__button {
  position: relative;
  z-index: 2;
  display: inline-flex;
  height: 50px;
  align-items: center;
  gap: 9px;
  padding: 0 19px 0 15px;
  border: 0;
  border-radius: 4px;
  background: var(--paper-accent-secondary);
  box-shadow: 0 4px 4px color-mix(in srgb, var(--paper-accent-secondary) 40%, transparent);
  color: var(--paper-sheet);
  font-size: 15px;
  text-decoration: none;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transition: background-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.about-charge__button:hover,
.about-charge__button:focus-visible {
  background: color-mix(in srgb, var(--paper-accent-secondary) 88%, var(--paper-sheet));
  box-shadow: 0 5px 8px color-mix(in srgb, var(--paper-accent-secondary) 45%, transparent);
  transform: translateY(-1px);
}
.about-charge__button:focus-visible { outline: 2px solid var(--paper-orange); outline-offset: 3px; }
.about-charge__bolt {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--paper-sheet);
}
.about-charge__bolt svg { display: block; width: 16px; height: 16px; }
.about-charge__tube {
  position: relative;
  display: block;
  width: 157px;
  height: 55px;
  margin-left: 3px;
}
.about-charge__tube-svg { display: block; width: 157px; height: 55px; }
.about-charge__mask {
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  overflow: hidden;
  transition: width .5s ease;
}
.about-charge__mask-svg { width: 157px; height: 55px; }
.about-charge__flow {
  position: absolute;
  top: 0;
  left: -15px;
  width: 18px;
  height: 100%;
  overflow: hidden;
}
.about-charge__flow-svg {
  position: absolute;
  top: 0;
  left: 15px;
  width: 157px;
  height: 55px;
}
.about-charge:hover .about-charge__mask { width: 157px; }
.about-charge:hover .about-charge__flow { animation: about-charge-flow .5s linear .2s infinite normal none; }
.about-charge:hover .about-charge__flow-svg { animation: about-charge-flow-svg .5s linear .2s infinite normal none; }
@keyframes about-charge-flow {
  from { transform: translateX(-15px); }
  to { transform: translateX(140px); }
}
@keyframes about-charge-flow-svg {
  from { transform: translateX(15px); }
  to { transform: translateX(-140px); }
}
.about-charge__people {
  margin-left: 18px;
  color: var(--paper-muted);
  font-family: var(--paper-font-mono);
  font-size: 12px;
  white-space: nowrap;
}
.about-charge__people[hidden] { display: none; }
.about-charge__people b { color: var(--paper-orange); font-weight: 700; }

/* 赞助者详情层 */
.about-sponsor-detail {
  position: fixed;
  z-index: 100;
  inset: 0;
  display: grid;
  place-items: center;
  padding: clamp(14px, 4vw, 42px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .18s ease, visibility .18s ease;
}
.about-sponsor-detail[hidden] { display: none; }
.about-sponsor-detail.is-open { opacity: 1; visibility: visible; }
.about-sponsor-detail__backdrop {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  background: rgba(12, 15, 13, .82);
  cursor: zoom-out;
}
.about-sponsor-detail__panel {
  position: relative;
  z-index: 1;
  width: min(100%, 420px);
  padding: 40px 34px 36px;
  border: 1px solid var(--paper-line);
  border-radius: 8px 5px 10px 6px;
  background: var(--paper-sheet);
  box-shadow: 0 26px 80px rgba(0, 0, 0, .38);
  transform: translateY(8px) scale(.985);
  transition: transform .18s ease;
}
.about-sponsor-detail.is-open .about-sponsor-detail__panel { transform: translateY(0) scale(1); }
.paper-tape--detail {
  top: -12px;
  right: clamp(20px, 22%, 92px);
  width: 100px;
  height: 24px;
  transform: rotate(3deg);
}
.about-sponsor-detail__close {
  position: absolute;
  top: 13px;
  right: 13px;
  display: inline-grid;
  width: 30px;
  height: 30px;
  place-items: center;
  padding: 0;
  border: 1px solid var(--paper-line);
  border-radius: 50%;
  background: var(--paper-sheet);
  color: var(--paper-ink);
  line-height: 1;
  cursor: pointer;
}
.about-sponsor-detail__close-icon { width: 18px; height: 18px; stroke-width: 2; }
.about-sponsor-detail__close:hover { border-color: var(--paper-orange); color: var(--paper-orange); }
.about-sponsor-detail__card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin: 0;
  text-align: center;
}
.about-sponsor-detail__stamp {
  display: block;
  padding: 8px;
  background: var(--paper-sheet);
  filter: drop-shadow(3px 4px 0 var(--paper-bg-deep));
}
.about-sponsor-detail__stamp img {
  display: block;
  width: 112px;
  height: 112px;
  object-fit: cover;
  background: var(--paper-bg-deep);
}
.about-sponsor-detail__stamp__fallback {
  display: grid;
  width: 112px;
  height: 112px;
  place-items: center;
  color: var(--paper-faint);
  font-family: var(--paper-font-display);
  font-size: 40px;
}
.about-sponsor-detail__body {
  display: flex;
  min-width: 0;
  max-width: 320px;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.about-sponsor-detail__body .section-kicker { color: var(--paper-green-deep); }
.about-sponsor-detail__name-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.about-sponsor-detail__name {
  color: var(--paper-ink);
  font-family: var(--paper-font-display);
  font-size: 24px;
  font-weight: 600;
  line-height: 1.3;
}
.about-sponsor-detail__tier {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 9px;
  border: 1px dashed var(--paper-line-strong);
  border-radius: 999px;
  font-family: var(--paper-font-mono);
  font-size: 10px;
  line-height: 1.4;
}
.about-sponsor-detail__tier.is-coffee { border-color: var(--paper-blue); color: var(--paper-blue); }
.about-sponsor-detail__tier.is-meal { border-color: var(--paper-green); color: var(--paper-green-deep); }
.about-sponsor-detail__tier.is-rocket { border-color: var(--paper-orange-soft); color: var(--paper-orange); }
.about-sponsor-detail__tier.is-default { border-color: var(--paper-orange-soft); color: var(--paper-orange); }
.about-sponsor-detail__tier[hidden] { display: none; }
.about-sponsor-detail__message {
  margin: 0;
  color: var(--paper-ink);
  font-family: var(--paper-font-display);
  font-size: 16px;
  line-height: 1.8;
}
.about-sponsor-detail__message[hidden] { display: none; }
.about-sponsor-detail__date { color: var(--paper-faint); font-family: var(--paper-font-mono); font-size: 10px; }
.about-sponsor-detail__date[hidden] { display: none; }
.about-sponsor-detail__link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 4px;
  border-bottom: 1px dashed transparent;
  color: var(--paper-green-deep);
  font-family: var(--paper-font-mono);
  font-size: 11px;
  text-decoration: none;
}
.about-sponsor-detail__link:hover { border-color: var(--paper-orange-soft); color: var(--paper-orange); }
.about-sponsor-detail__link[hidden] { display: none; }




/* bb-channel integration */
.page-shell--shuoshuo .shuoshuo-content { width: 100%; }
.page-shell--shuoshuo .bb-channel-portable {
  max-width: 100% !important;
  margin: 0 !important;
  color: var(--paper-ink) !important;
}
.page-shell--shuoshuo .bb-channel-portable .bb-channel-intro { display: none !important; }
.page-shell--shuoshuo .bb-channel-portable .bb-channel-status { min-height: 29px; margin: 0 0 19px; color: var(--paper-muted) !important; font-size: 13px; text-align: center; }
.page-shell--shuoshuo .bb-channel-portable .bb-channel-status:empty { min-height: 0; margin: 0; }
.page-shell--shuoshuo .bb-channel-portable .bb-channel-status > span { display: inline-block; margin-right: 12px; }
.paper-retry { border: 1px solid var(--paper-line-strong); border-radius: 999px; background: var(--paper-sheet); color: var(--paper-green-deep); padding: 4px 12px; cursor: pointer; font-size: 12px; }
.page-shell--shuoshuo .bb-channel-portable .bb-channel-feed {
  display: grid !important;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-rows: 8px;
  column-gap: 20px;
  row-gap: 20px;
  align-items: start;
  padding: 0 !important;
}
.page-shell--shuoshuo .bb-channel-portable .bb-channel-feed::before { display: none !important; }
.page-shell--shuoshuo .bb-channel-portable .bb-channel-card {
  display: block;
  width: 100%;
  margin: 0;
  border-radius: 0 !important;
}
.page-shell--shuoshuo .bb-channel-portable .bb-channel-card-placeholder { display: none !important; }
.page-shell--shuoshuo .bb-channel-portable .bb-channel-card-surface {
  position: relative;
  z-index: 1;
  padding: 19px 19px 15px !important;
  overflow: hidden;
  border: 1px solid var(--paper-line) !important;
  border-radius: 4px 7px 5px 8px !important;
  background-color: var(--paper-sheet) !important;
  background-image: linear-gradient(var(--paper-line) 1px, transparent 1px) !important;
  background-size: 100% 29px !important;
  box-shadow: 4px 5px 0 var(--paper-bg-deep), var(--paper-shadow-small) !important;
  transform: none !important;
  -webkit-backface-visibility: hidden !important;
  backface-visibility: hidden !important;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease !important;
}
.page-shell--shuoshuo .bb-channel-portable .bb-channel-card:nth-child(3n + 1) .bb-channel-card-surface { transform: rotate(-.45deg) !important; }
.page-shell--shuoshuo .bb-channel-portable .bb-channel-card:nth-child(3n + 2) .bb-channel-card-surface { transform: rotate(.3deg) !important; }
.page-shell--shuoshuo .bb-channel-portable .bb-channel-card:nth-child(3n) .bb-channel-card-surface { transform: rotate(-.2deg) !important; }
@media (hover: hover) and (pointer: fine) {
  .page-shell--shuoshuo .bb-channel-portable .bb-channel-card:hover .bb-channel-card-surface { border-color: var(--paper-orange-soft) !important; box-shadow: 7px 9px 0 var(--paper-orange-soft), var(--paper-shadow) !important; transform: translateY(-4px) rotate(0) !important; }
}
.page-shell--shuoshuo .bb-channel-portable .bb-channel-dot { display: none !important; }
.page-shell--shuoshuo .bb-channel-portable .bb-channel-card:focus-visible .bb-channel-card-surface { outline: 2px solid var(--paper-orange) !important; outline-offset: 5px; }
.page-shell--shuoshuo .bb-channel-portable .bb-channel-meta { display: flex; min-height: 34px; align-items: center; margin: 0 0 15px !important; color: var(--paper-muted) !important; font-size: 12px; }
.paper-card-author { display: flex; min-width: 0; align-items: center; gap: 8px; margin-right: auto; -webkit-backface-visibility: hidden; backface-visibility: hidden; }
.paper-card-author img { width: 32px; height: 32px; flex: 0 0 auto; border: 1px solid var(--paper-line-strong); border-radius: 50%; background: var(--paper-bg-deep); object-fit: cover; }
.paper-card-author > span { display: flex; min-width: 0; flex-direction: column; line-height: 1.2; }
.paper-card-author strong { overflow: hidden; color: var(--paper-ink); font-size: 12px; font-weight: 600; text-overflow: ellipsis; white-space: nowrap; }
.paper-card-author span span { margin-top: 3px; color: var(--paper-faint); font-family: var(--paper-font-mono); font-size: 9px; }
.page-shell--shuoshuo .bb-channel-portable .bb-channel-time { color: var(--paper-faint) !important; font-family: var(--paper-font-mono); font-size: 10px !important; white-space: nowrap; }
.page-shell--shuoshuo .bb-channel-portable .bb-channel-body-with-media { display: block !important; }
.page-shell--shuoshuo .bb-channel-portable .bb-channel-content { color: var(--paper-ink) !important; font-size: 14px !important; line-height: 1.9 !important; letter-spacing: .02em; }
.page-shell--shuoshuo .bb-channel-portable .bb-channel-content p { margin: 0 0 .85em; }
.page-shell--shuoshuo .bb-channel-portable .bb-channel-content p:last-child { margin-bottom: 0; }
.page-shell--shuoshuo .bb-channel-portable .bb-channel-content a { color: var(--paper-green-deep) !important; border-color: color-mix(in srgb, var(--paper-green) 40%, transparent) !important; }
.page-shell--shuoshuo .bb-channel-portable .bb-channel-content b, .page-shell--shuoshuo .bb-channel-portable .bb-channel-content strong { color: var(--paper-orange); }
.page-shell--shuoshuo .bb-channel-portable .bb-channel-media-rail { width: 100% !important; max-height: none !important; margin: 15px 0 0 !important; grid-template-columns: repeat(3, minmax(0, 1fr)) !important; opacity: 1 !important; transform: none !important; filter: none !important; }
.page-shell--shuoshuo .bb-channel-portable .bb-channel-media-thumb { border-color: var(--paper-line) !important; border-radius: 3px !important; background: var(--paper-bg-deep) !important; }
.page-shell--shuoshuo .bb-channel-portable .bb-channel-image-skeleton { background: linear-gradient(100deg, var(--paper-bg-deep), var(--paper-sheet), var(--paper-bg-deep)) !important; background-size: 220% 100%; }
.page-shell--shuoshuo .bb-channel-portable .bb-channel-attachments { gap: 8px !important; margin-top: 14px !important; }
.page-shell--shuoshuo .bb-channel-portable .bb-channel-attachment { border-color: var(--paper-line) !important; border-radius: 3px !important; background: color-mix(in srgb, var(--paper-bg) 45%, transparent) !important; color: var(--paper-muted) !important; }
.page-shell--shuoshuo .bb-channel-portable .bb-channel-attachment:hover { border-color: var(--paper-orange-soft) !important; background: var(--paper-sheet) !important; }
.page-shell--shuoshuo .bb-channel-portable .bb-channel-tags { gap: 6px !important; margin-top: 15px !important; color: var(--paper-muted) !important; font-family: var(--paper-font-mono); font-size: 10px !important; }
.page-shell--shuoshuo .bb-channel-portable .bb-channel-tags span { border: 1px dashed var(--paper-line-strong) !important; border-radius: 0 !important; background: transparent !important; padding: 2px 6px !important; }
.paper-tag-filter {
  display: inline-flex;
  min-height: 24px;
  align-items: center;
  justify-content: center;
  padding: 2px 7px;
  border: 1px dashed var(--paper-line-strong);
  border-radius: 0;
  background: transparent;
  color: var(--paper-muted);
  font: inherit;
  font-family: var(--paper-font-mono);
  font-size: 10px;
  line-height: 1.5;
  text-decoration: none;
  cursor: pointer;
  transition: border-color .2s ease, background-color .2s ease, color .2s ease, transform .2s ease;
}
.paper-tag-filter:hover,
.paper-tag-filter:focus-visible,
.paper-tag-filter.is-active {
  border-color: var(--paper-green);
  background: color-mix(in srgb, var(--paper-green) 16%, transparent);
  color: var(--paper-green-deep);
}
.paper-tag-filter:focus-visible { outline-offset: 2px; }
.paper-tag-filter--inline {
  min-height: 0;
  margin: 0 2px;
  padding: 0 3px;
  border-style: solid;
  border-radius: 3px;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  vertical-align: baseline;
}
.page-shell--shuoshuo .bb-channel-portable .bb-channel-tags .paper-tag-filter { border-style: dashed; }
.bb-channel-card[hidden] { display: none !important; }
.paper-tag-filter-bar {
  display: flex;
  min-height: 48px;
  align-items: center;
  gap: 12px;
  margin: 0 0 18px;
  padding: 8px 10px;
  border: 1px dashed var(--paper-line-strong);
  background: color-mix(in srgb, var(--paper-sheet) 62%, transparent);
  color: var(--paper-muted);
  font-family: var(--paper-font-mono);
  font-size: 10px;
}
.paper-search {
  display: flex;
  min-width: min(100%, 340px);
  flex: 1 1 340px;
  align-items: center;
  gap: 8px;
}
.paper-search__label { flex: 0 0 auto; color: var(--paper-ink); }
.paper-search__input {
  min-width: 0;
  width: 100%;
  min-height: 30px;
  flex: 1 1 auto;
  padding: 5px 9px;
  border: 1px solid var(--paper-line);
  border-radius: 3px 7px 4px 6px;
  outline: 0;
  background: color-mix(in srgb, var(--paper-sheet) 78%, transparent);
  color: var(--paper-ink);
  font: inherit;
  font-family: var(--paper-font-body);
  font-size: 12px;
}
.paper-search__input::placeholder { color: var(--paper-faint); }
.paper-search__input:focus { border-color: var(--paper-green); box-shadow: 0 0 0 2px color-mix(in srgb, var(--paper-green) 18%, transparent); }
.paper-search__clear,
.paper-tag-filter-bar__clear {
  flex: 0 0 auto;
  padding: 4px 7px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--paper-orange);
  font: inherit;
  font-size: 10px;
  white-space: nowrap;
  cursor: pointer;
}
.paper-search__clear:hover,
.paper-search__clear:focus-visible,
.paper-tag-filter-bar__clear:hover,
.paper-tag-filter-bar__clear:focus-visible { border-color: var(--paper-orange-soft); }
.paper-tag-filter-bar__label { min-width: 0; flex: 0 1 auto; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.paper-tag-filter-bar__clear { margin-left: auto; }
.paper-tag-filter-bar[hidden] { display: none !important; }
.paper-tag-filter-empty {
  margin: 18px 0 0;
  padding: 22px 16px;
  border: 1px dashed var(--paper-line-strong);
  color: var(--paper-muted);
  font-family: var(--paper-font-mono);
  font-size: 11px;
  text-align: center;
}
.paper-card-actions { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; margin-top: 16px; padding-top: 11px; border-top: 1px dashed var(--paper-line); }
.paper-card-actions__links { display: inline-flex; flex: 0 0 auto; align-items: center; justify-content: flex-end; gap: 13px; margin-left: auto; }
.paper-card-action {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--paper-faint);
  font-family: var(--paper-font-mono);
  font-size: 10px;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  vertical-align: middle;
}
.paper-card-action:hover { color: var(--paper-orange); }
.paper-card-reactions { min-width: 0; flex: 1 1 auto; }
.paper-card-reactions__buttons { display: flex; min-width: 0; flex-wrap: wrap; align-items: center; gap: 4px; }
.paper-card-reaction { display: inline-flex; min-width: 36px; min-height: 30px; align-items: center; justify-content: center; gap: 3px; padding: 3px 6px; border: 1px solid var(--paper-line); border-radius: 999px; background: color-mix(in srgb, var(--paper-sheet) 72%, transparent); color: var(--paper-muted); font-size: 13px; line-height: 1; cursor: pointer; transition: border-color .2s ease, background-color .2s ease, color .2s ease, opacity .2s ease, box-shadow .2s ease; }
.paper-card-reaction:hover { border-color: var(--paper-orange-soft); background: color-mix(in srgb, var(--paper-orange-soft) 20%, var(--paper-sheet)); color: var(--paper-orange); }
.paper-card-reaction.is-selected { border-color: var(--paper-green); background: color-mix(in srgb, var(--paper-green) 20%, var(--paper-sheet)); color: var(--paper-green-deep); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--paper-green) 24%, transparent); }
.paper-card-reaction.is-busy { cursor: wait; opacity: .58; }
.paper-card-reaction:disabled { cursor: wait; }
.paper-card-reaction__emoji { font-size: 15px; line-height: 1; }
.paper-card-reaction [data-paper-reaction-count] { min-width: 1ch; font-family: var(--paper-font-mono); font-size: 10px; }
.paper-card-reactions__note { display: block; max-width: 220px; margin-top: 6px; color: var(--paper-faint); font-family: var(--paper-font-mono); font-size: 8px; line-height: 1.45; -webkit-backface-visibility: hidden; backface-visibility: hidden; }
.paper-card-reactions:not(.is-ready) .paper-card-reaction { opacity: .72; }
.page-shell--shuoshuo .bb-channel-portable .bb-channel-pagination { gap: 15px !important; margin-top: 24px !important; }
.page-shell--shuoshuo .bb-channel-portable .bb-channel-pagination button, .page-shell--shuoshuo .bb-channel-portable .bb-channel-pagination span { min-width: auto !important; height: auto !important; padding: 7px 14px !important; border: 1px solid var(--paper-line) !important; border-radius: 3px 8px 3px 7px !important; background: var(--paper-sheet) !important; color: var(--paper-muted) !important; font-size: 12px; }
.page-shell--shuoshuo .bb-channel-portable .bb-channel-pagination button:hover { border-color: var(--paper-orange-soft) !important; color: var(--paper-orange) !important; }
.page-shell--shuoshuo .bb-channel-portable .bb-channel-pagination span { background: var(--paper-green) !important; border-color: var(--paper-green) !important; color: #fffdf7 !important; }

.comments-section { width: min(100%, 790px); margin: 65px auto 0; padding-top: 32px; border-top: 1px solid var(--paper-line); }
.comments-section__heading { display: flex; align-items: baseline; gap: 14px; margin-bottom: 21px; }
.comments-section__heading h2 { margin: 0; color: var(--paper-ink); font-family: var(--paper-font-display); font-size: 25px; font-weight: 600; }
.comments-section__notice { margin: 0; padding: 18px 20px; border: 1px dashed var(--paper-line-strong); background: var(--paper-sheet-soft); color: var(--paper-muted); font-size: 13px; }
#twikoo { min-height: 120px; padding: 22px; border: 1px solid var(--paper-line); background: var(--paper-sheet-soft); }
#twikoo .tk-submit, #twikoo .tk-comments { font-family: var(--paper-font-body); }
.paper-lightbox-open { overflow: hidden; }
.paper-lightbox {
  position: fixed;
  z-index: 100;
  inset: 0;
  display: grid;
  place-items: center;
  padding: clamp(14px, 4vw, 42px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .18s ease, visibility .18s ease;
}
.paper-lightbox[hidden] { display: none; }
.paper-lightbox.is-open { opacity: 1; visibility: visible; }
.paper-lightbox__backdrop {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  background: rgba(12, 15, 13, .82);
  cursor: zoom-out;
}
.paper-lightbox__panel {
  position: relative;
  z-index: 1;
  display: flex;
  width: min(100%, 1080px);
  max-height: min(92vh, 900px);
  flex-direction: column;
  align-items: stretch;
  overflow: hidden;
  border: 1px solid rgba(255, 253, 247, .22);
  border-radius: 6px 10px 7px 12px;
  background: color-mix(in srgb, var(--paper-sheet) 94%, transparent);
  box-shadow: 0 26px 80px rgba(0, 0, 0, .38);
  transform: translateY(8px) scale(.985);
  transition: transform .18s ease;
}
.paper-lightbox.is-open .paper-lightbox__panel { transform: translateY(0) scale(1); }
.paper-lightbox__toolbar {
  display: flex;
  min-height: 42px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 5px 10px 5px 15px;
  border-bottom: 1px solid var(--paper-line);
  color: var(--paper-muted);
  font-family: var(--paper-font-mono);
  font-size: 10px;
}
.paper-lightbox__close {
  display: inline-grid;
  width: 30px;
  height: 30px;
  place-items: center;
  padding: 0;
  border: 1px solid var(--paper-line);
  border-radius: 50%;
  background: transparent;
  color: var(--paper-ink);
  line-height: 1;
  cursor: pointer;
}
.paper-lightbox__icon { width: 18px; height: 18px; stroke-width: 2; }
.paper-lightbox__close:hover { border-color: var(--paper-orange); color: var(--paper-orange); }
.paper-lightbox__stage {
  position: relative;
  display: flex;
  min-height: 180px;
  flex: 1 1 auto;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: clamp(16px, 4vw, 44px) clamp(44px, 8vw, 92px);
  background: rgba(0, 0, 0, .15);
}
.paper-lightbox__image {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: min(70vh, 680px);
  object-fit: contain;
  opacity: 0;
  transition: opacity .16s ease;
}
.paper-lightbox__image[data-paper-lightbox-loaded="true"] { opacity: 1; }
.paper-lightbox__nav {
  position: absolute;
  top: 50%;
  display: grid;
  width: 36px;
  height: 50px;
  place-items: center;
  padding: 0;
  border: 1px solid rgba(255, 253, 247, .32);
  border-radius: 4px 9px 5px 8px;
  background: rgba(20, 23, 21, .54);
  color: #fffdf7;
  line-height: 1;
  cursor: pointer;
  transform: translateY(-50%);
}
.paper-lightbox__nav-icon { width: 22px; height: 22px; stroke-width: 2.1; }
.paper-lightbox__nav:hover { border-color: var(--paper-orange-soft); color: var(--paper-orange); }
.paper-lightbox__nav--previous { left: 13px; }
.paper-lightbox__nav--next { right: 13px; }
.paper-lightbox__caption {
  max-width: 100%;
  margin: 0;
  padding: 8px 15px 11px;
  border-top: 1px solid var(--paper-line);
  color: var(--paper-muted);
  font-size: 12px;
  line-height: 1.5;
  text-align: center;
}
.paper-lightbox__caption[hidden] { display: none; }

.paper-toast { position: fixed; z-index: 30; right: 24px; bottom: 24px; max-width: min(360px, calc(100vw - 48px)); padding: 10px 15px; border: 1px solid var(--paper-line-strong); border-radius: 4px 10px 4px 8px; background: var(--paper-sheet); box-shadow: var(--paper-shadow-small); color: var(--paper-ink); font-size: 13px; opacity: 0; pointer-events: none; transform: translateY(10px); transition: opacity .2s ease, transform .2s ease; }
.paper-toast.is-visible { opacity: 1; transform: translateY(0); }
.pwa-update-notice { position: fixed; z-index: 31; right: 24px; bottom: 24px; max-width: min(360px, calc(100vw - 48px)); padding: 10px 15px; border: 1px solid var(--paper-green); border-radius: 4px 10px 4px 8px; background: var(--paper-sheet); box-shadow: var(--paper-shadow-small); color: var(--paper-green-deep); font-size: 13px; line-height: 1.5; }
.pwa-update-notice[hidden] { display: none; }
.paper-toast.is-visible ~ .pwa-update-notice { transform: translateY(-58px); }
.back-to-top {
  position: fixed;
  z-index: 25;
  right: clamp(16px, 3vw, 30px);
  bottom: calc(22px + env(safe-area-inset-bottom));
  display: grid;
  width: 43px;
  height: 43px;
  place-items: center;
  padding: 0;
  border: 1px dashed var(--paper-line-strong);
  border-radius: 5px 10px 6px 9px;
  background: color-mix(in srgb, var(--paper-sheet) 92%, transparent);
  box-shadow: 3px 4px 0 var(--paper-bg-deep), var(--paper-shadow-small);
  color: var(--paper-green-deep);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transform: translateY(8px) rotate(2deg);
  transition: opacity .2s ease, visibility .2s ease, transform .2s ease, border-color .2s ease, color .2s ease;
}
.back-to-top[hidden] { display: none; }
.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
  transform: translateY(0) rotate(2deg);
}
.back-to-top:hover {
  border-color: var(--paper-orange-soft);
  color: var(--paper-orange);
  transform: translateY(-3px) rotate(-1deg);
}
.back-to-top:focus-visible { outline-offset: 4px; }
.back-to-top__icon { width: 20px; height: 20px; stroke-width: 2; }
.paper-toast.is-visible + .back-to-top { transform: translateY(-66px) rotate(2deg); }
.paper-toast.is-visible + .back-to-top:hover { transform: translateY(-69px) rotate(-1deg); }

/* 左下角音乐播放器 */
.music-player {
  position: fixed;
  left: clamp(16px, 3vw, 30px);
  bottom: calc(22px + env(safe-area-inset-bottom));
  z-index: 26;
}
.music-player__orb {
  position: relative;
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  padding: 0;
  border: 1px dashed var(--paper-line-strong);
  border-radius: 50% 48% 52% 46%;
  background: color-mix(in srgb, var(--paper-sheet) 94%, transparent);
  box-shadow: 3px 4px 0 var(--paper-bg-deep), var(--paper-shadow-small);
  color: var(--paper-green-deep);
  cursor: pointer;
  transform: rotate(-2deg);
  transition: transform .2s ease, border-color .2s ease, color .2s ease;
}
.music-player__orb:hover {
  border-color: var(--paper-orange-soft);
  color: var(--paper-orange);
  transform: translateY(-3px) rotate(-1deg);
}
.music-player__orb:focus-visible { outline-offset: 4px; }
.music-player__orb-icon { width: 22px; height: 22px; }
.music-player__orb-cover {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  border-radius: inherit;
  overflow: hidden;
}
.music-player__orb-cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.music-player.is-playing .music-player__orb-cover { animation: music-spin 9s linear infinite; }
@keyframes music-spin { to { transform: rotate(360deg); } }

.music-player__bar {
  position: absolute;
  bottom: calc(100% + 14px);
  left: 0;
  display: flex;
  gap: 12px;
  align-items: center;
  width: 330px;
  max-width: calc(100vw - 32px);
  padding: 12px;
  border: 1px solid var(--paper-line-strong);
  border-radius: 6px 13px 7px 11px;
  background:
    linear-gradient(rgba(190, 114, 88, .05) 1px, transparent 1px),
    var(--paper-sheet);
  background-size: 100% 26px;
  box-shadow: 4px 5px 0 var(--paper-bg-deep), var(--paper-shadow-small);
  color: var(--paper-ink);
  transform: rotate(.4deg);
  transition: opacity .2s ease, transform .2s ease;
}
.music-player__bar-cover {
  flex: 0 0 auto;
  width: 56px;
  height: 56px;
  overflow: hidden;
  border: 1px solid var(--paper-line);
  border-radius: 4px 8px 5px 7px;
  background: var(--paper-bg-deep);
  box-shadow: 2px 3px 0 rgba(91, 75, 51, .12);
}
.music-player__bar-cover-img { width: 100%; height: 100%; object-fit: cover; display: block; }
.music-player__bar-info { flex: 1 1 auto; min-width: 0; }
.music-player__bar-title {
  margin: 0 0 2px;
  overflow: hidden;
  color: var(--paper-ink);
  font-family: var(--paper-font-display);
  font-size: 14px;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.music-player__bar-artist {
  margin: 0 0 6px;
  overflow: hidden;
  color: var(--paper-muted);
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.music-player__bar-progress { display: flex; flex-direction: column; gap: 3px; }
.music-player__bar-time { color: var(--paper-faint); font-family: var(--paper-font-mono); font-size: 10px; letter-spacing: .02em; }
.music-player__bar-range {
  width: 100%;
  height: 14px;
  margin: 0;
  appearance: none;
  background: transparent;
  cursor: pointer;
}
.music-player__bar-range::-webkit-slider-runnable-track {
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--paper-green) var(--pm-progress, 0%), var(--paper-line) var(--pm-progress, 0%));
}
.music-player__bar-range::-moz-range-track {
  height: 3px;
  border-radius: 2px;
  background: var(--paper-line);
}
.music-player__bar-range::-moz-range-progress {
  height: 3px;
  border-radius: 2px;
  background: var(--paper-green);
}
.music-player__bar-range::-webkit-slider-thumb {
  width: 12px;
  height: 12px;
  margin-top: -4.5px;
  appearance: none;
  border: 1px solid var(--paper-line-strong);
  border-radius: 50%;
  background: var(--paper-sheet);
  box-shadow: 1px 2px 0 rgba(91, 75, 51, .2);
}
.music-player__bar-range::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border: 1px solid var(--paper-line-strong);
  border-radius: 50%;
  background: var(--paper-sheet);
  box-shadow: 1px 2px 0 rgba(91, 75, 51, .2);
}
.music-player__bar-controls,
.music-player__bar-tools {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
}
.music-player__bar-controls button,
.music-player__bar-tools button {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 4px 7px 5px 8px;
  background: transparent;
  color: var(--paper-green-deep);
  cursor: pointer;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transition: background .15s ease, color .15s ease, transform .15s ease;
}
.music-player__bar-controls button:hover,
.music-player__bar-tools button:hover {
  background: var(--paper-bg-deep);
  color: var(--paper-orange);
  transform: translateY(-1px);
}
.music-player__bar-controls button:focus-visible,
.music-player__bar-tools button:focus-visible { outline-offset: 2px; }
.music-player__bar-controls svg,
.music-player__bar-tools svg { width: 18px; height: 18px; }
.music-player__bar-controls [data-music-toggle] svg { width: 20px; height: 20px; }

.music-player__lyrics {
  position: absolute;
  bottom: calc(100% + 14px);
  left: 0;
  display: flex;
  flex-direction: column;
  width: 360px;
  max-width: calc(100vw - 32px);
  max-height: min(60vh, 460px);
  border: 1px solid var(--paper-line-strong);
  border-radius: 7px 14px 8px 12px;
  background: var(--paper-sheet);
  box-shadow: 4px 5px 0 var(--paper-bg-deep), var(--paper-shadow);
  transform: rotate(-.4deg);
  overflow: hidden;
}
.music-player__lyrics-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  border-bottom: 1px dashed var(--paper-line);
}
.music-player__lyrics-title {
  margin: 0;
  overflow: hidden;
  color: var(--paper-ink);
  font-family: var(--paper-font-display);
  font-size: 13px;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.music-player__lyrics-head button {
  display: grid;
  width: 26px;
  height: 26px;
  flex: 0 0 auto;
  place-items: center;
  padding: 0;
  border: 0;
  border-radius: 4px 7px 5px 8px;
  background: transparent;
  color: var(--paper-faint);
  cursor: pointer;
}
.music-player__lyrics-head button:hover { background: var(--paper-bg-deep); color: var(--paper-orange); }
.music-player__lyrics-scroll {
  padding: 16px 18px 26px;
  overflow-y: auto;
  text-align: center;
}
.music-player__lyrics-line {
  margin: 0 0 10px;
  color: var(--paper-muted);
  font-size: 13px;
  line-height: 1.5;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transition: color .2s ease, transform .2s ease;
}
.music-player__lyrics-line.is-current {
  color: var(--paper-orange);
  font-family: var(--paper-font-display);
  font-weight: 600;
  transform: scale(1.04);
}
.music-player__lyrics-empty { color: var(--paper-faint); font-size: 12px; }
.music-player__bar[hidden],
.music-player__lyrics[hidden] { display: none; }

.site-footer { width: min(100% - 56px, var(--paper-content-width)); margin: 0 auto; padding: 0 0 38px; color: var(--paper-faint); font-size: 12px; text-align: center; }
.site-footer__rule { width: 70px; height: 1px; margin: 0 auto 17px; background: var(--paper-line-strong); transform: rotate(-3deg); }
.site-footer p { margin: 0 0 6px; font-family: var(--paper-font-display); }
.site-footer small { font-family: var(--paper-font-mono); font-size: 10px; letter-spacing: .06em; }

@media (max-width: 900px) {
  .site-header { padding: 16px 20px 0; }
  .site-header__inner { gap: 12px; }
  .site-nav { gap: 4px; }
  .site-nav__link, .theme-toggle, .accent-toggle, .pwa-install-toggle { gap: 8px; padding-inline: 10px; font-size: 12px; }
  .site-nav__icon, .theme-toggle__icon, .accent-toggle__icon, .pwa-install-toggle__icon { width: 17px; height: 17px; }
  .page-shell { width: min(100% - 40px, var(--paper-content-width)); }
  .page-shell--shuoshuo .bb-channel-portable .bb-channel-feed { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .links-group__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .site-intro__shot { width: 140px; }
}
@media (max-width: 1500px) and (min-width: 641px) {
  .site-header__inner { gap: 14px; }
  .site-nav { gap: 4px; }
  .site-nav__link,
  .theme-toggle,
  .accent-toggle,
  .pwa-install-toggle { min-height: 40px; gap: 8px; padding-inline: 10px; font-size: 12px; }
  .site-nav__caret { margin-left: 0; }
}
@media (max-width: 640px) {
  html { scroll-behavior: auto; }
  .site-header { padding: 12px 14px 0; }
  .site-header__inner { min-height: 54px; padding: 7px 9px 7px 11px; border-radius: 15px 20px 14px 18px; }
  .site-brand__mark { width: auto; min-width: 30px; height: 30px; padding: 0 4px; font-size: 9px; }
  .site-brand__name { font-size: 15px; }
  .nav-toggle { display: inline-grid; width: 38px; min-height: 38px; place-items: center; margin-left: auto; padding: 0; border: 1px dashed var(--paper-line-strong); border-radius: 7px 5px 8px 5px; background: transparent; color: var(--paper-muted); cursor: pointer; }
  .nav-toggle:hover, .nav-toggle:focus-visible { border-color: var(--paper-orange-soft); color: var(--paper-green-deep); }
  .site-nav { position: absolute; top: 68px; right: 14px; left: 14px; display: none; flex-direction: column; align-items: stretch; gap: 3px; padding: 9px; border: 1px solid var(--paper-line); border-radius: 8px 15px 10px 14px; background: var(--paper-sheet); box-shadow: var(--paper-shadow); }
  .site-nav.is-open { display: flex; }
  .site-nav__link, .theme-toggle, .accent-toggle, .pwa-install-toggle { min-height: 44px; justify-content: flex-start; gap: 11px; padding: 11px 13px; border-radius: 5px; }
  .site-nav__icon, .theme-toggle__icon, .accent-toggle__icon, .pwa-install-toggle__icon { width: 18px; height: 18px; }
  .accent-toggle__label,
  .pwa-install-toggle span,
  .theme-toggle [data-theme-label] { display: inline; }
  .site-accent { display: block; width: 100%; }
  .accent-toggle { width: 100%; }
  .accent-panel {
    position: static;
    width: 100%;
    margin-top: 6px;
    box-shadow: 3px 4px 0 color-mix(in srgb, var(--paper-bg-deep) 88%, transparent), var(--paper-shadow-small);
    transform: none;
  }
  .site-accent.is-open .accent-panel { transform: none; }

  .home-page { min-height: calc(100vh - 110px); padding: 60px 16px 45px; }
  .home-page__paper { padding: 43px 24px 53px; transform: rotate(-.2deg); }
  .paper-tape--top { top: 17px; right: 16%; width: 94px; height: 24px; }
  .home-page__profile { flex-direction: column; align-items: flex-start; gap: 31px; margin-top: 35px; }
  .avatar-frame { align-self: center; width: 125px; height: 125px; }
  .home-page__copy { width: 100%; text-align: center; }
  .home-page h1 { max-width: none; font-size: clamp(29px, 9vw, 40px); }
  .home-page__subtitle { margin-inline: auto; font-size: 14px; }
  .home-page__bio { font-size: 13px; }
  .home-page__actions { align-items: flex-start; flex-direction: column; gap: 13px; }
  .home-page__note { align-self: center; }
  .paper-sticker--bottom { right: 17px; bottom: 21px; }
  .social-links { margin-top: 29px; }
  .live-panel { margin-top: 30px; padding: 17px 13px 14px; }
  .live-panel__head { flex-direction: column; gap: 13px; }
  .live-panel__open { align-self: flex-start; }
  .live-panel__title { font-size: 19px; }
  .live-panel__content { padding: 14px 13px 12px; }
  .live-panel__devices { grid-template-columns: 1fr; gap: 12px; }
  .live-panel__device { padding: 12px 13px 10px; }
  .live-panel__activity { flex-wrap: wrap; gap: 4px 10px; }
  .live-panel__activity__time { width: 100%; margin-left: 16px; text-align: left; }
  .page-shell { width: calc(100% - 28px); padding: 59px 0 75px; }
  .page-shell--links { padding-bottom: 75px; }
  .page-heading { margin-bottom: 29px; }
  .page-heading h1 { font-size: 33px; }
  .page-heading p { font-size: 13px; }
  .page-shell--shuoshuo .bb-channel-portable .bb-channel-feed { grid-template-columns: 1fr; }
  .page-shell--shuoshuo .bb-channel-portable .bb-channel-card { margin-bottom: 16px; }
  .links-groups { gap: 49px; }
  .links-group__heading { align-items: flex-start; flex-wrap: wrap; gap: 5px 10px; }
  .links-group__description { order: 3; flex-basis: 100%; white-space: normal; }
  .links-group__count { margin-left: auto; }
  .links-group__grid { grid-template-columns: 1fr; gap: 19px; }
  .links-card:nth-child(n) { transform: rotate(-.25deg); }
  .links-card__link:hover, .links-card__link:focus-visible { transform: translateY(-2px) rotate(0); }
  .links-card__body { padding-inline: 15px; }
  .friendlink-application { margin-top: 54px; padding: 31px 17px 25px; transform: rotate(.08deg); }
  .friendlink-application::before { top: -27px; right: 7%; left: 7%; }
  .friendlink-application__tape { top: -11px; right: 14%; width: 94px; height: 23px; }
  .friendlink-application__heading { margin-bottom: 23px; }
  .friendlink-application__heading h2 { font-size: 27px; }
  .site-intro { padding: 16px; }
  .site-intro__head { flex-wrap: wrap; gap: 15px; }
  .site-intro__avatar { width: 50px; height: 50px; }
  .site-intro__info h3 { font-size: 16px; }
  .site-intro__shot { width: 100%; }
  .site-intro__code { margin-top: 14px; }
  .site-intro__code__bar { flex-wrap: wrap; row-gap: 6px; padding: 6px 10px; }
  .site-intro__code__copy { padding: 3px 8px; }
  .site-intro__code__pre { padding: 12px; font-size: 11px; }
  .friendlink-conditions { padding: 13px 12px 15px; }
  .friendlink-condition { gap: 8px; font-size: 13px; }
  .friendlink-mode-switch { padding: 13px 12px; }
  .friendlink-mode-switch__buttons { flex-direction: column; }
  .friendlink-mode-switch__button { width: 100%; flex-basis: auto; }
  .friendlink-form__grid { grid-template-columns: 1fr; gap: 15px; }
  .friendlink-field--wide { grid-column: auto; }
  .friendlink-field input, .friendlink-field textarea { font-size: 16px; }
  .friendlink-form__actions { align-items: stretch; flex-direction: column; gap: 14px; }
  .friendlink-form__submit { width: 100%; }
  .friendlink-success { min-height: 197px; padding-inline: 15px; }
  .friendlink-status { margin-top: 55px; padding: 30px 17px 25px; transform: rotate(-.08deg); }
  .friendlink-status::before { top: -27px; right: 7%; left: 7%; }
  .friendlink-status__tape { top: -11px; left: 13%; width: 88px; height: 22px; }
  .friendlink-status__heading h2 { font-size: 27px; }
  .friendlink-status__tools { align-items: stretch; flex-direction: column; gap: 10px; padding: 12px; }
  .friendlink-status__filter-label, .friendlink-status__search-label { width: 100%; flex-basis: auto; }
  .friendlink-status__clear { width: 100%; }
  .friendlink-status__count { justify-content: flex-end; min-height: auto; }
  .friendlink-status__grid { grid-template-columns: 1fr; gap: 16px; }
  .friendlink-status-card:nth-child(n) { transform: rotate(-.2deg); }
  .friendlink-status-card__top { align-items: flex-start; flex-direction: column; }
  .friendlink-status-card__badges { justify-content: flex-start; }
  .friendlink-status__footer { align-items: stretch; flex-direction: column; }
  .friendlink-status__footer .paper-retry { width: 100%; }
  .friendlink-status__pagination { width: 100%; }
  .page-shell--shuoshuo .bb-channel-portable .bb-channel-card-surface { padding: 16px 15px 13px !important; }
  .page-shell--shuoshuo .bb-channel-portable .bb-channel-card:nth-child(n) .bb-channel-card-surface { transform: rotate(-.25deg) !important; }
  .paper-tag-filter-bar { align-items: stretch; flex-direction: column; gap: 7px; }
  .paper-search { width: 100%; min-width: 0; flex-basis: auto; }
  .paper-search__label { min-width: 58px; }
  .paper-tag-filter-bar__label { width: 100%; flex: 0 0 auto; }
  .paper-tag-filter-bar__clear { align-self: flex-end; margin-left: 0; }
  .paper-card-actions { align-items: stretch; flex-direction: column; gap: 9px; }
  .paper-card-actions__links { width: 100%; justify-content: flex-end; }
  .paper-card-reactions__note { max-width: none; }
  .paper-card-reactions__buttons { gap: 5px; }
  .page-shell--shuoshuo .bb-channel-portable .bb-channel-content { font-size: 14px !important; }
  .page-shell--shuoshuo .bb-channel-portable .bb-channel-media-rail { max-width: none; }
  .comments-section { margin-top: 48px; padding-top: 26px; }
  #twikoo { padding: 13px; }
  .paper-lightbox { padding: 10px; }
  .paper-lightbox__panel { width: 100%; max-height: 94vh; }
  .paper-lightbox__stage { min-height: 150px; padding: 18px 43px; }
  .paper-lightbox__image { max-height: 76vh; }
  .paper-lightbox__nav { width: 30px; height: 44px; }
  .paper-lightbox__nav-icon { width: 20px; height: 20px; }
  .paper-lightbox__nav--previous { left: 8px; }
  .paper-lightbox__nav--next { right: 8px; }
  .site-footer { width: calc(100% - 28px); padding-bottom: 25px; }
  .back-to-top { right: 15px; bottom: calc(16px + env(safe-area-inset-bottom)); width: 40px; height: 40px; }
  .back-to-top__icon { width: 18px; height: 18px; }
  .paper-toast.is-visible + .back-to-top { transform: translateY(-62px) rotate(2deg); }
  .paper-toast.is-visible + .back-to-top:hover { transform: translateY(-65px) rotate(-1deg); }
  .music-player { left: 12px; bottom: calc(14px + env(safe-area-inset-bottom)); }
  .music-player__orb { width: 44px; height: 44px; }
  .music-player__bar {
    left: auto;
    right: auto;
    width: min(calc(100vw - 24px), 340px);
    bottom: calc(100% + 12px);
  }
  .music-player__lyrics {
    left: 0;
    width: min(calc(100vw - 24px), 360px);
    max-height: 55vh;
    bottom: calc(100% + 12px);
  }
}
@media (prefers-reduced-motion: reduce) {
  .links-card__link, .links-card__shot img, .friendlink-form__submit, .friendlink-mode-switch__button { transition: none !important; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  ::view-transition-old(root), ::view-transition-new(root) { animation: none !important; }
  .paper-lightbox, .paper-lightbox__panel, .paper-lightbox__image, .back-to-top { transition: none !important; }
  .music-player__bar, .music-player__lyrics { transition: none !important; }
  .music-player.is-playing .music-player__orb-cover { animation: none; }
}

/* about 页响应式 */
@media (max-width: 900px) {
  .about-sponsors__wall { grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 24px 14px; }
}
@media (max-width: 640px) {
  .page-shell--about { padding-bottom: 75px; }
  .page-heading--about { margin-bottom: 28px; }
  .about-author { margin-bottom: 56px; }
  .about-author__paper {
    grid-template-columns: 1fr;
    justify-items: center;
    padding: 38px 22px 34px;
    text-align: center;
    transform: rotate(.08deg);
  }
  .about-author__avatar .about-photo { width: 168px; }
  .about-author__info { display: flex; flex-direction: column; align-items: center; }
  .about-author__info h2 { font-size: 31px; }
  .about-author__bio { margin-inline: auto; }
  .about-author__tags { justify-content: center; }
  .paper-sticker--about { top: 16px; right: 14px; }
  .about-journey { margin-bottom: 56px; }
  .about-journey__paper { padding: 31px 19px 35px; transform: rotate(.08deg); }
  .paper-tape--journey { top: -11px; left: 13%; width: 94px; height: 23px; }
  .about-section-heading { margin-bottom: 26px; }
  .about-section-heading h2 { font-size: 27px; }
  .about-journey__content { font-size: 14px; }
  .about-sponsors__toolbar { align-items: stretch; flex-direction: column; }
  .about-sponsors__toolbar .paper-retry { width: 100%; }
  .about-sponsors__wall { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px 10px; }
  .about-sponsor-stamp { max-width: none; }
  .about-sponsor-stamp__card { padding: 5px; }
  .about-sponsor-stamp__avatar { width: 100%; height: auto; aspect-ratio: 1; line-height: normal; }
  .about-sponsor-stamp__avatar img { aspect-ratio: 1; }
  .about-sponsor-stamp__name { font-size: 12px; }
  .about-sponsors__cta { margin-top: 36px; padding-top: 24px; }
  .about-sponsor-detail__panel { padding: 36px 20px 28px; }
}
@media (prefers-reduced-motion: reduce) {
  .about-sponsor-stamp__tilt, .about-sponsor-stamp__button:hover .about-sponsor-stamp__tilt { transition: none !important; }
  .about-sponsor-detail, .about-sponsor-detail__panel { transition: none !important; }
}

/* 充电按钮响应式 */
@media (max-width: 640px) {
  .about-charge { min-height: 50px; }
  .about-charge__tube { display: none; }
  .about-charge__button { height: 46px; padding: 0 16px 0 13px; font-size: 14px; }
  .about-charge__bolt svg { width: 15px; height: 15px; }
  .about-charge__people { margin-left: 12px; font-size: 11px; }
  .about-sponsors__cta { margin-top: 36px; padding-top: 24px; gap: 13px; }
}
@media (prefers-reduced-motion: reduce) {
  .about-charge__mask, .about-charge__flow, .about-charge__flow-svg { transition: none !important; animation: none !important; }
}

/* 朋友圈与多级导航：共享既有纸张 token，不引入外部主题样式。 */
.site-nav__item { position: relative; display: flex; min-width: 0; }
.site-nav__parent { cursor: pointer; }
.site-nav__caret {
  width: 16px;
  height: 16px;
  margin-left: -4px;
  color: currentColor;
  opacity: .68;
  stroke-width: 2;
  transform: rotate(0);
  transition: transform .2s ease, opacity .2s ease;
}
.site-nav__item.is-open .site-nav__caret { opacity: 1; transform: rotate(180deg); }
.site-nav__submenu {
  position: absolute;
  top: calc(100% + 11px);
  right: 0;
  z-index: 30;
  display: grid;
  min-width: 166px;
  gap: 3px;
  padding: 9px;
  border: 1px solid var(--paper-line);
  border-radius: 7px 13px 8px 12px;
  background: color-mix(in srgb, var(--paper-sheet) 94%, transparent);
  box-shadow: 5px 7px 0 var(--paper-bg-deep), var(--paper-shadow-small);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-5px) rotate(-.25deg);
  transition: opacity .17s ease, transform .17s ease;
}
.site-nav__item.is-open .site-nav__submenu { opacity: 1; pointer-events: auto; transform: translateY(0) rotate(-.25deg); }
.site-nav__submenu::before {
  position: absolute;
  top: -8px;
  right: 23px;
  width: 39px;
  height: 14px;
  background: repeating-linear-gradient(135deg, color-mix(in srgb, var(--paper-accent-highlight) 82%, transparent) 0 5px, color-mix(in srgb, var(--paper-sheet) 44%, var(--paper-accent-highlight)) 5px 10px);
  box-shadow: 0 3px 7px rgba(91, 75, 51, .12);
  content: "";
  transform: rotate(3deg);
}
.site-nav__submenu-link {
  display: flex;
  min-height: 42px;
  align-items: center;
  gap: 10px;
  padding: 9px 11px;
  border: 1px solid transparent;
  border-radius: 4px 7px 5px 6px;
  color: var(--paper-muted);
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transition: color .2s ease, background-color .2s ease, border-color .2s ease, transform .2s ease;
}
.site-nav__submenu-link .site-nav__icon { width: 17px; height: 17px; stroke-width: 1.85; }
.site-nav__submenu-link:hover,
.site-nav__submenu-link:focus-visible,
.site-nav__submenu-link.is-active {
  border-color: var(--paper-line-strong);
  background: color-mix(in srgb, var(--paper-sheet-soft) 80%, var(--paper-yellow) 20%);
  color: var(--paper-green-deep);
  transform: translateX(2px);
}
.site-nav__item--parent > .site-nav__parent.is-active { color: var(--paper-green-deep); }

/* Friend-Circle-Lite：友邻文章以横向信笺收进这一页。 */
.page-shell--fcircle { padding-bottom: 100px; }
.page-heading--fcircle { margin-bottom: 34px; }
.fcircle-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  margin: 0 0 28px;
}
.fcircle-toolbar[hidden] { display: none; }
.fcircle-summary { display: flex; min-width: 0; flex: 1 1 auto; flex-wrap: wrap; gap: 8px; }
.fcircle-summary__item {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 4px 10px;
  border: 1px dashed var(--paper-line-strong);
  border-radius: 999px;
  background: color-mix(in srgb, var(--paper-sheet) 72%, transparent);
  color: var(--paper-muted);
  font-family: var(--paper-font-mono);
  font-size: 10px;
  line-height: 1.35;
}
.fcircle-summary__item:empty { display: none; }
.fcircle-state {
  display: grid;
  min-height: 98px;
  place-items: center;
  margin: 0 auto 31px;
  padding: 24px;
  border: 1px dashed var(--paper-line-strong);
  background: color-mix(in srgb, var(--paper-sheet) 62%, transparent);
  color: var(--paper-muted);
  font-family: var(--paper-font-mono);
  font-size: 11px;
  text-align: center;
}
.fcircle-state[hidden] { display: none; }
.fcircle-state.is-error { border-color: var(--paper-orange-soft); color: var(--paper-orange); }
.fcircle-list { display: grid; gap: 22px; margin: 0; padding: 5px 0 0; list-style: none; }
.fcircle-card {
  --fcircle-tilt: -.32deg;
  --fcircle-tape: color-mix(in srgb, var(--paper-yellow) 82%, transparent);
  --fcircle-label: color-mix(in srgb, var(--paper-green) 48%, var(--paper-sheet));
  --fcircle-label-ink: color-mix(in srgb, var(--paper-green-deep) 80%, var(--paper-ink));
  position: relative;
  display: grid;
  min-width: 0;
  grid-template-columns: 62px minmax(0, 1fr);
  align-items: start;
  gap: 17px;
  min-height: 104px;
  padding: 21px 25px 18px 18px;
  border: 1px dashed var(--paper-line-strong);
  border-radius: 6px 10px 7px 9px;
  background:
    linear-gradient(90deg, transparent 0, transparent 74px, color-mix(in srgb, var(--paper-line) 50%, transparent) 74px, color-mix(in srgb, var(--paper-line) 50%, transparent) 75px, transparent 75px),
    repeating-linear-gradient(180deg, transparent 0 30px, color-mix(in srgb, var(--paper-line) 30%, transparent) 30px 31px),
    var(--paper-sheet);
  box-shadow: 4px 5px 0 var(--paper-bg-deep), var(--paper-shadow-small);
  isolation: isolate;
  transform: rotate(var(--fcircle-tilt));
  transition: border-color .22s ease, box-shadow .22s ease, transform .22s ease;
}
.fcircle-card:nth-child(4n + 2) {
  --fcircle-tilt: .25deg;
  --fcircle-tape: color-mix(in srgb, var(--paper-orange-soft) 84%, transparent);
  --fcircle-label: color-mix(in srgb, var(--paper-blue) 47%, var(--paper-sheet));
  --fcircle-label-ink: color-mix(in srgb, var(--paper-blue) 74%, var(--paper-ink));
}
.fcircle-card:nth-child(4n + 3) {
  --fcircle-tilt: -.16deg;
  --fcircle-tape: color-mix(in srgb, var(--paper-green) 68%, var(--paper-sheet));
  --fcircle-label: color-mix(in srgb, var(--paper-yellow) 60%, var(--paper-sheet));
  --fcircle-label-ink: color-mix(in srgb, var(--paper-yellow) 44%, var(--paper-ink));
}
.fcircle-card:nth-child(4n + 4) {
  --fcircle-tilt: .3deg;
  --fcircle-tape: color-mix(in srgb, var(--paper-blue) 59%, var(--paper-sheet));
  --fcircle-label: color-mix(in srgb, var(--paper-orange-soft) 56%, var(--paper-sheet));
  --fcircle-label-ink: color-mix(in srgb, var(--paper-orange) 72%, var(--paper-ink));
}
.fcircle-card::before,
.fcircle-card::after { position: absolute; pointer-events: none; content: ""; }
.fcircle-card::before {
  top: -9px;
  left: 27px;
  z-index: 2;
  width: 40px;
  height: 16px;
  background: repeating-linear-gradient(135deg, var(--fcircle-tape) 0 5px, color-mix(in srgb, var(--fcircle-tape) 54%, var(--paper-sheet)) 5px 10px);
  box-shadow: 0 3px 8px rgba(91, 75, 51, .12);
  transform: rotate(-3deg);
}
.fcircle-card::after {
  top: 17px;
  right: -6px;
  z-index: -1;
  width: 6px;
  height: 49px;
  border: 1px dashed color-mix(in srgb, var(--paper-line-strong) 65%, transparent);
  border-left: 0;
  border-radius: 0 6px 6px 0;
  background: var(--fcircle-label);
  box-shadow: 2px 3px 0 color-mix(in srgb, var(--paper-bg-deep) 75%, transparent);
  transition: right .24s ease, width .24s ease;
}
.fcircle-card:hover,
.fcircle-card:focus-within {
  border-color: var(--paper-orange-soft);
  box-shadow: 7px 9px 0 var(--paper-orange-soft), var(--paper-shadow);
  transform: translateY(-3px) rotate(0);
}
.fcircle-card:hover::after,
.fcircle-card:focus-within::after { right: -13px; width: 13px; }
.fcircle-card__avatar-link {
  display: grid;
  width: 62px;
  height: 62px;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--paper-line);
  border-radius: 8px 5px 9px 6px;
  background: var(--paper-bg-deep);
  box-shadow: 2px 3px 0 color-mix(in srgb, var(--paper-bg-deep) 82%, transparent);
  text-decoration: none;
  transform: rotate(-2deg);
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.fcircle-card:hover .fcircle-card__avatar-link,
.fcircle-card:focus-within .fcircle-card__avatar-link {
  border-color: var(--paper-orange-soft);
  box-shadow: 3px 5px 0 color-mix(in srgb, var(--paper-orange-soft) 80%, var(--paper-bg-deep));
  transform: rotate(0) translateY(-1px);
}
.fcircle-card__avatar {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border-radius: 5px;
  background: var(--fcircle-label);
  color: var(--fcircle-label-ink);
  font-family: var(--paper-font-display);
  font-size: 20px;
  font-weight: 700;
  object-fit: cover;
}
.fcircle-card__body { display: flex; min-width: 0; flex-direction: column; justify-content: center; gap: 7px; padding-top: 1px; }
.fcircle-card__meta { display: flex; min-width: 0; align-items: center; gap: 7px 10px; }
.fcircle-card__author {
  min-width: 0;
  max-width: min(42vw, 320px);
  padding: 3px 10px;
  overflow: hidden;
  border-radius: 3px 6px 4px 5px;
  background: var(--fcircle-label);
  color: var(--fcircle-label-ink);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.45;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.fcircle-card__date {
  min-width: 0;
  overflow: hidden;
  color: var(--paper-muted);
  font-family: var(--paper-font-mono);
  font-size: 10px;
  line-height: 1.4;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.fcircle-card__title {
  display: -webkit-box;
  overflow: hidden;
  color: var(--paper-ink);
  font-family: var(--paper-font-display);
  font-size: clamp(16px, 2vw, 19px);
  font-weight: 700;
  line-height: 1.5;
  text-decoration: none;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  transition: color .2s ease;
}
.fcircle-card__title:hover,
.fcircle-card__title:focus-visible { color: var(--paper-green-deep); }
.fcircle-more {
  position: relative;
  display: flex;
  min-width: 132px;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  margin: 29px auto 0;
  padding: 8px 18px;
  border: 1px dashed var(--paper-line-strong);
  border-radius: 4px 8px 5px 7px;
  background: var(--paper-sheet);
  box-shadow: 3px 4px 0 var(--paper-bg-deep);
  color: var(--paper-muted);
  cursor: pointer;
  font-family: var(--paper-font-mono);
  font-size: 11px;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transition: border-color .2s ease, box-shadow .2s ease, color .2s ease, transform .2s ease;
}
.fcircle-more[hidden] { display: none; }
.fcircle-more:hover,
.fcircle-more:focus-visible {
  border-color: var(--paper-orange-soft);
  box-shadow: 5px 6px 0 var(--paper-orange-soft);
  color: var(--paper-green-deep);
  transform: translateY(-2px) rotate(-.3deg);
}
.fcircle-noscript { margin-top: 20px; color: var(--paper-muted); font-size: 13px; text-align: center; }

@media (max-width: 640px) {
  .site-nav__item { display: grid; width: 100%; }
  .site-nav__parent { width: 100%; justify-content: flex-start; }
  .site-nav__caret { margin-left: auto; margin-right: 4px; }
  .site-nav__submenu {
    position: static;
    display: none;
    min-width: 0;
    margin: 1px 3px 4px 15px;
    padding: 5px;
    border-style: dashed;
    border-radius: 5px 9px 6px 8px;
    box-shadow: none;
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }
  .site-nav__item.is-open .site-nav__submenu { display: grid; transform: none; }
  .site-nav__submenu::before { display: none; }
  .site-nav__submenu-link { min-height: 42px; gap: 10px; padding: 10px 11px; }
  .fcircle-toolbar { align-items: stretch; flex-direction: column; gap: 12px; }
  .fcircle-toolbar .paper-retry { width: 100%; }
  .fcircle-summary { gap: 7px; }
  .fcircle-summary__item { min-height: 26px; padding: 4px 8px; font-size: 9px; }
  .fcircle-state { min-height: 87px; margin-bottom: 26px; padding: 18px 14px; }
  .fcircle-list { gap: 18px; }
  .fcircle-card {
    grid-template-columns: 45px minmax(0, 1fr);
    gap: 11px;
    min-height: 87px;
    padding: 17px 15px 14px 13px;
    transform: none;
  }
  .fcircle-card:nth-child(n) { transform: none; }
  .fcircle-card:hover,
  .fcircle-card:focus-within { transform: translateY(-2px); }
  .fcircle-card::before { top: -8px; left: 16px; width: 34px; height: 14px; }
  .fcircle-card::after { top: 16px; right: -5px; width: 5px; height: 40px; }
  .fcircle-card:hover::after,
  .fcircle-card:focus-within::after { right: -10px; width: 10px; }
  .fcircle-card__avatar-link { width: 45px; height: 45px; border-radius: 7px 4px 8px 5px; }
  .fcircle-card__avatar { width: 39px; height: 39px; font-size: 16px; }
  .fcircle-card__body { gap: 5px; }
  .fcircle-card__meta { gap: 6px; }
  .fcircle-card__author { max-width: 45vw; padding: 3px 8px; font-size: 11px; }
  .fcircle-card__date { font-size: 9px; }
  .fcircle-card__title { font-size: 16px; -webkit-line-clamp: 3; }
}
@media (prefers-reduced-motion: reduce) {
  .site-nav__caret, .site-nav__submenu, .site-nav__submenu-link, .fcircle-card, .fcircle-card::after, .fcircle-card__avatar-link, .fcircle-card__title, .fcircle-more { transition: none !important; }
}

/* 相册：把照片作为一页可以慢慢翻阅的手账，而不是独立的图库皮肤。 */
.gallery-page { padding-top: 70px; }
.gallery-heading { margin-bottom: 50px; }
.gallery-album-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(236px, 1fr)); gap: clamp(22px, 3vw, 38px); width: min(100%, 940px); margin: 0 auto; }
.gallery-album-card { position: relative; display: grid; min-height: 340px; align-content: start; gap: 17px; padding: 18px 18px 16px; border: 1px solid var(--paper-line); border-radius: 5px 11px 6px 9px; background: var(--paper-sheet-soft); box-shadow: var(--paper-shadow-small); color: inherit; text-decoration: none; isolation: isolate; -webkit-backface-visibility: hidden; backface-visibility: hidden; transition: border-color .24s ease, box-shadow .24s ease, transform .24s ease; }
.gallery-album-card::after { position: absolute; z-index: -1; top: 11px; right: -6px; bottom: -6px; left: 11px; border: 1px dashed color-mix(in srgb, var(--paper-line-strong) 78%, transparent); border-radius: 8px 4px 10px 5px; content: ""; opacity: .76; transform: rotate(.8deg); transition: transform .24s ease, border-color .24s ease; }
.gallery-album-card:hover, .gallery-album-card:focus-visible { border-color: var(--paper-green); box-shadow: 8px 10px 0 color-mix(in srgb, var(--paper-orange-soft) 72%, transparent), var(--paper-shadow); transform: translate(-3px, -4px) rotate(-.65deg); }
.gallery-album-card:hover::after, .gallery-album-card:focus-visible::after { border-color: var(--paper-orange-soft); transform: translate(3px, 3px) rotate(1.5deg); }
.gallery-album-card__stack { position: relative; display: block; height: 208px; margin: 2px 4px 0; }
.gallery-album-card__photo, .gallery-album-card__empty { position: absolute; display: block; width: calc(100% - 18px); height: 100%; border: 8px solid var(--paper-sheet); background: var(--paper-bg-deep); box-shadow: 0 8px 15px rgba(81, 67, 48, .18); object-fit: cover; transition: transform .28s cubic-bezier(.2,.8,.2,1), box-shadow .28s ease; }
.gallery-album-card__photo--1 { z-index: 3; inset: 0 auto auto 9px; transform: rotate(-1.7deg); }
.gallery-album-card__photo--2 { z-index: 2; inset: 4px auto auto 9px; transform: rotate(2.3deg) scale(.97); }
.gallery-album-card__photo--3 { z-index: 1; inset: 7px auto auto 8px; transform: rotate(-3.4deg) scale(.94); }
.gallery-album-card:hover .gallery-album-card__photo--1, .gallery-album-card:focus-visible .gallery-album-card__photo--1 { transform: translateY(-4px) rotate(-.5deg); }
.gallery-album-card:hover .gallery-album-card__photo--2, .gallery-album-card:focus-visible .gallery-album-card__photo--2 { transform: translate(-14px, 3px) rotate(-5deg) scale(.97); }
.gallery-album-card:hover .gallery-album-card__photo--3, .gallery-album-card:focus-visible .gallery-album-card__photo--3 { transform: translate(15px, 6px) rotate(5deg) scale(.94); }
.gallery-album-card__empty { inset: 0 auto auto 9px; display: grid; place-items: center; color: var(--paper-faint); transform: rotate(-1.5deg); }
.gallery-album-card__tape { position: absolute; z-index: 4; top: -7px; left: 50%; width: 84px; height: 20px; background: color-mix(in srgb, var(--paper-yellow) 65%, transparent); box-shadow: 0 1px 0 rgba(255,255,255,.36) inset; opacity: .82; transform: translateX(-50%) rotate(2deg); }
.gallery-album-card__copy { display: grid; gap: 5px; min-width: 0; padding: 0 3px; }
.gallery-album-card__title { overflow: hidden; color: var(--paper-ink); font-family: var(--paper-font-display); font-size: 22px; font-weight: 600; letter-spacing: .07em; text-overflow: ellipsis; white-space: nowrap; }
.gallery-album-card__description { display: -webkit-box; overflow: hidden; min-height: 42px; color: var(--paper-muted); font-size: 12px; line-height: 1.7; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.gallery-album-card__meta { display: inline-flex; align-items: center; gap: 7px; color: var(--paper-faint); font-family: var(--paper-font-mono); font-size: 9px; letter-spacing: .04em; }
.gallery-album-card__meta i { width: 3px; height: 3px; border-radius: 50%; background: var(--paper-orange-soft); }
.gallery-album-card__access { position: absolute; top: 13px; right: 13px; z-index: 5; display: inline-flex; align-items: center; gap: 4px; padding: 4px 7px; border: 1px solid color-mix(in srgb, var(--paper-line) 88%, transparent); border-radius: 2px 6px 3px 5px; background: color-mix(in srgb, var(--paper-sheet) 85%, transparent); color: var(--paper-green-deep); font-family: var(--paper-font-mono); font-size: 8px; line-height: 1; }
.gallery-album-card__access.is-locked { color: var(--paper-orange); }
.gallery-album-card__access-icon { width: 14px; height: 14px; }
.gallery-empty-state { display: grid; min-height: 200px; max-width: 620px; place-items: center; gap: 11px; margin: 0 auto; padding: 34px; text-align: center; }
.gallery-empty-state__icon { color: var(--paper-orange); }
.gallery-empty-state p { max-width: 390px; margin: 0; color: var(--paper-muted); font-size: 13px; }
.gallery-empty-state code { font-family: var(--paper-font-mono); font-size: .9em; }
.gallery-album-heading { position: relative; display: grid; justify-items: center; max-width: 760px; margin: 0 auto 30px; padding: 26px clamp(16px, 5vw, 54px) 27px; overflow: hidden; border: 1px solid var(--paper-line); border-radius: 5px 11px 7px 9px; background: color-mix(in srgb, var(--paper-sheet) 88%, transparent); box-shadow: var(--paper-shadow-small); text-align: center; isolation: isolate; }
.gallery-album-heading::before { position: absolute; z-index: -1; inset: 0; background: linear-gradient(118deg, transparent 0 42%, color-mix(in srgb, var(--paper-yellow) 18%, transparent) 42% 43%, transparent 43%); content: ""; }
.gallery-album-heading__cover { position: absolute; z-index: -2; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .14; filter: grayscale(.15); }
.gallery-back-link { justify-self: start; display: inline-flex; align-items: center; gap: 4px; margin-bottom: 20px; color: var(--paper-muted); font-family: var(--paper-font-mono); font-size: 10px; text-decoration: none; -webkit-backface-visibility: hidden; backface-visibility: hidden; transition: color .2s ease, transform .2s ease; }
.gallery-back-link:hover { color: var(--paper-green-deep); transform: translateX(-2px); }
.gallery-back-link__icon { width: 17px; height: 17px; }
.gallery-album-heading h1 { margin: 8px 0 6px; color: var(--paper-ink); font-family: var(--paper-font-display); font-size: clamp(31px, 5vw, 45px); font-weight: 600; letter-spacing: .1em; line-height: 1.25; }
.gallery-album-heading p { max-width: 540px; margin: 0; color: var(--paper-muted); font-size: 14px; line-height: 1.85; }
.gallery-album-heading__meta { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 18px; }
.gallery-album-heading__meta > span { display: inline-flex; min-height: 27px; align-items: center; gap: 5px; padding: 4px 9px; border: 1px dashed var(--paper-line-strong); border-radius: 3px 7px 4px 6px; background: color-mix(in srgb, var(--paper-sheet) 74%, transparent); color: var(--paper-muted); font-family: var(--paper-font-mono); font-size: 9px; }
.gallery-album-heading__access { color: var(--paper-green-deep) !important; }
.gallery-album-heading__access.is-locked { color: var(--paper-orange) !important; }
.gallery-source-note { display: flex; width: min(100%, 760px); align-items: flex-start; gap: 7px; margin: 0 auto 34px; padding: 10px 13px; border-left: 3px solid var(--paper-yellow); background: color-mix(in srgb, var(--paper-yellow) 12%, var(--paper-sheet-soft)); color: var(--paper-muted); font-size: 11px; line-height: 1.65; }
.gallery-source-note__icon { flex: 0 0 auto; margin-top: 2px; color: var(--paper-orange); }
.gallery-source-note a { color: var(--paper-green-deep); text-decoration-style: dashed; text-underline-offset: 3px; }
.gallery-media-groups { display: grid; gap: 44px; width: min(100%, 1060px); margin: 0 auto; }
.gallery-media-group { position: relative; padding-top: 9px; }
.gallery-media-group h2 { display: flex; align-items: center; gap: 11px; margin: 0 0 18px; color: var(--paper-ink); font-family: var(--paper-font-display); font-size: 21px; font-weight: 600; letter-spacing: .09em; }
.gallery-media-group h2::before { width: 22px; height: 1px; background: var(--paper-orange); content: ""; }
.gallery-media-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; }
.gallery-media-card { position: relative; display: block; min-width: 0; aspect-ratio: 1; padding: 0; overflow: hidden; border: 6px solid var(--paper-sheet); border-radius: 2px 6px 3px 5px; background: var(--paper-bg-deep); box-shadow: 2px 3px 0 var(--paper-line), 0 8px 18px rgba(80, 66, 49, .13); cursor: zoom-in; transform: rotate(var(--gallery-tilt, -.25deg)); transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease; }
.gallery-media-card:nth-child(4n + 2) { --gallery-tilt: .55deg; }
.gallery-media-card:nth-child(4n + 3) { --gallery-tilt: -.65deg; }
.gallery-media-card:nth-child(4n) { --gallery-tilt: .25deg; }
.gallery-media-card img, .gallery-media-card video { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease, filter .25s ease; }
.gallery-media-card:hover, .gallery-media-card:focus-visible { z-index: 2; border-color: color-mix(in srgb, var(--paper-orange-soft) 55%, var(--paper-sheet)); box-shadow: 5px 7px 0 color-mix(in srgb, var(--paper-orange-soft) 55%, transparent), 0 14px 26px rgba(80, 66, 49, .17); transform: translateY(-5px) rotate(0); }
.gallery-media-card:hover img, .gallery-media-card:hover video { transform: scale(1.055); }
.gallery-media-card__play { position: absolute; top: 50%; left: 50%; display: grid; width: 42px; height: 42px; place-items: center; border: 1px solid rgba(255,253,247,.65); border-radius: 50%; background: rgba(25, 30, 27, .62); color: #fffdf7; transform: translate(-50%, -50%); }
.gallery-media-card__caption { position: absolute; right: 0; bottom: 0; left: 0; overflow: hidden; padding: 20px 8px 7px; background: linear-gradient(transparent, rgba(18, 23, 20, .7)); color: #fffdf7; font-size: 10px; line-height: 1.4; text-align: left; text-overflow: ellipsis; white-space: nowrap; }
.gallery-password-gate { width: min(100%, 600px); margin: 0 auto; padding: clamp(30px, 5vw, 50px); text-align: center; }
.gallery-password-gate__stamp { display: inline-grid; width: 55px; height: 55px; place-items: center; margin-bottom: 12px; border: 1px solid var(--paper-orange-soft); border-radius: 50% 45% 52% 47%; background: color-mix(in srgb, var(--paper-orange-soft) 22%, var(--paper-sheet)); color: var(--paper-orange); transform: rotate(-7deg); }
.gallery-password-gate h2 { margin: 0 0 8px; font-family: var(--paper-font-display); font-size: 25px; font-weight: 600; letter-spacing: .08em; }
.gallery-password-gate p { max-width: 440px; margin: 0 auto; color: var(--paper-muted); font-size: 12px; line-height: 1.85; }
.gallery-password-gate__form { display: flex; max-width: 410px; gap: 8px; margin: 23px auto 0; }
.gallery-password-gate__form input { min-width: 0; flex: 1; padding: 10px 12px; border: 1px solid var(--paper-line-strong); border-radius: 3px 8px 4px 7px; background: var(--paper-sheet); color: var(--paper-ink); outline: none; font-size: 13px; }
.gallery-password-gate__form input:focus { border-color: var(--paper-green); box-shadow: 0 0 0 3px color-mix(in srgb, var(--paper-green) 18%, transparent); }
.gallery-password-gate__form button { padding: 9px 14px; border: 1px solid var(--paper-green-deep); border-radius: 3px 8px 4px 7px; background: var(--paper-green); color: #15251b; cursor: pointer; font-size: 12px; }
.gallery-password-gate__form button:hover { background: var(--paper-green-deep); color: var(--paper-sheet); }
.gallery-password-gate__status { min-height: 1.85em; margin-top: 10px !important; color: var(--paper-orange) !important; }

/* 共用媒体灯箱的相册增强：视频、缩略图轨道、原媒体链接和缩放状态。 */
.paper-lightbox__actions { display: inline-flex; align-items: center; gap: 7px; }
.paper-lightbox__original, .paper-lightbox__zoom { display: inline-flex; min-height: 29px; align-items: center; gap: 4px; padding: 5px 7px; border: 1px solid var(--paper-line); border-radius: 3px 7px 4px 6px; background: transparent; color: var(--paper-muted); font-family: var(--paper-font-mono); font-size: 9px; line-height: 1; text-decoration: none; cursor: pointer; }
.paper-lightbox__original:hover, .paper-lightbox__zoom:hover { border-color: var(--paper-orange-soft); color: var(--paper-orange); }
.paper-lightbox__action-icon { width: 15px; height: 15px; }
.paper-lightbox__media { display: grid; max-width: 100%; max-height: min(70vh, 680px); place-items: center; }
.paper-lightbox__image, .paper-lightbox__video { grid-area: 1 / 1; max-height: min(70vh, 680px); }
.paper-lightbox__image { cursor: zoom-in; transform-origin: center; touch-action: none; transition: opacity .16s ease, transform .12s ease; }
.paper-lightbox.is-zoomed .paper-lightbox__image { cursor: grab; }
.paper-lightbox__video { display: block; width: auto; max-width: 100%; background: #101310; }
.paper-lightbox__video[hidden], .paper-lightbox__image[hidden] { display: none; }
.paper-lightbox__thumbnails { display: flex; min-height: 64px; gap: 7px; overflow-x: auto; padding: 8px 12px 11px; border-top: 1px solid var(--paper-line); background: color-mix(in srgb, var(--paper-bg-deep) 32%, var(--paper-sheet)); scrollbar-width: thin; }
.paper-lightbox__thumbnails[hidden] { display: none; }
.paper-lightbox__thumb { flex: 0 0 54px; width: 54px; height: 42px; padding: 0; overflow: hidden; border: 2px solid transparent; border-radius: 2px 5px 3px 4px; background: var(--paper-bg-deep); color: var(--paper-muted); cursor: pointer; }
.paper-lightbox__thumb img { display: block; width: 100%; height: 100%; object-fit: cover; }
.paper-lightbox__thumb[aria-current="true"] { border-color: var(--paper-orange); }
.paper-lightbox__thumb-icon { width: 18px; height: 18px; }

@media (max-width: 640px) {
  .gallery-page { padding-top: 52px; }
  .gallery-album-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 17px; }
  .gallery-album-card { min-height: 264px; gap: 12px; padding: 12px; }
  .gallery-album-card__stack { height: 148px; margin: 1px 1px 0; }
  .gallery-album-card__photo, .gallery-album-card__empty { width: calc(100% - 8px); border-width: 5px; }
  .gallery-album-card__photo--1, .gallery-album-card__photo--2, .gallery-album-card__photo--3 { left: 4px; }
  .gallery-album-card__tape { top: -5px; width: 58px; height: 14px; }
  .gallery-album-card__title { font-size: 17px; }
  .gallery-album-card__description { min-height: 34px; font-size: 10px; }
  .gallery-album-card__meta { font-size: 8px; }
  .gallery-album-card__access { top: 8px; right: 8px; padding: 3px 5px; font-size: 7px; }
  .gallery-album-card__access span { display: none; }
  .gallery-album-heading { margin-bottom: 23px; padding: 19px 17px 22px; }
  .gallery-album-heading p { font-size: 12px; }
  .gallery-source-note { margin-bottom: 26px; font-size: 10px; }
  .gallery-media-groups { gap: 31px; }
  .gallery-media-group h2 { margin-bottom: 13px; font-size: 18px; }
  .gallery-media-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
  .gallery-media-card { border-width: 4px; box-shadow: 1px 2px 0 var(--paper-line), 0 5px 13px rgba(80, 66, 49, .1); }
  .gallery-media-card__play { width: 33px; height: 33px; }
  .gallery-media-card__caption { display: none; }
  .gallery-password-gate { padding: 28px 19px; }
  .gallery-password-gate__form { flex-direction: column; }
  .gallery-password-gate__form button { min-height: 40px; }
  .paper-lightbox__actions { gap: 4px; }
  .paper-lightbox__original { font-size: 0; }
  .paper-lightbox__original .paper-lightbox__action-icon { width: 17px; height: 17px; }
  .paper-lightbox__zoom { display: none; }
  .paper-lightbox__stage { padding: 14px 38px; }
  .paper-lightbox__media, .paper-lightbox__image, .paper-lightbox__video { max-height: 68vh; }
  .paper-lightbox__thumbnails { min-height: 57px; padding: 7px 9px 9px; }
  .paper-lightbox__thumb { flex-basis: 48px; width: 48px; height: 37px; }
}


/* --------------------------------------------------------------------------
   留言板信封：对应 AIOVTUE/hugo-theme-aiovtue @ d1110c2 的资源叠层模型。
   before / after / cover / line 均为 source/comment/envelope 下的自托管资源。
   -------------------------------------------------------------------------- */
.page-shell--comment { padding-bottom: 100px; overflow-x: clip; }
.page-heading--comment { margin-bottom: 30px; }

.comment-envelope-maincontent {
  position: relative;
  z-index: 1;
  width: min(100%, 800px);
  max-width: 100%;
  margin: 20px auto 0;
  overflow-x: clip;
  box-sizing: border-box;
}
.comment-envelope-desktop,
.comment-envelope-mobile { position: relative; z-index: 2; }
.comment-envelope-mobile { display: none; }
.comment-envelope-danmaku {
  position: fixed;
  z-index: 5;
  right: 0;
  left: 0;
  width: auto;
  margin: 0;
  overflow: hidden;
  pointer-events: none;
  box-sizing: border-box;
}
.comment-envelope-danmaku__screen { position: relative; width: 100%; height: 100%; }

.comment-form-wrap {
  position: relative;
  z-index: 0;
  top: 0;
  width: 530px;
  max-width: 100%;
  height: var(--comment-wrap-height, 447px);
  margin-inline: auto;
  overflow: hidden;
  cursor: pointer;
  user-select: none;
  box-sizing: border-box;
  transition: all 1s ease-in-out .3s;
}
.comment-form-wrap.opened {
  top: var(--comment-open-offset, -200px);
  height: var(--comment-open-height, 1050px);
}
.comment-beforeimg,
.comment-afterimg {
  position: absolute;
  right: 0;
  left: 0;
  display: block;
  width: 100%;
  pointer-events: none;
  object-fit: fill;
}
.comment-beforeimg {
  bottom: 126px;
  z-index: 0;
  height: 317px;
}
.comment-afterimg {
  bottom: -2px;
  z-index: 100;
  height: 259px;
}
.comment-envelope {
  position: relative;
  z-index: 10;
  width: 500px;
  max-width: calc(100% - 30px);
  margin-inline: auto;
  padding-top: 200px;
  overflow: visible;
  box-sizing: border-box;
  transition: all 1s ease-in-out .3s;
}
.comment-formmain {
  width: 95%;
  max-width: 800px;
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--paper-line) 62%, transparent);
  border-radius: 5px;
  background: color-mix(in srgb, var(--paper-sheet) 96%, transparent);
  box-shadow: 0 0 20px rgba(0, 0, 0, .18);
  pointer-events: none;
}
.comment-headerimg {
  display: block;
  width: 100%;
  overflow: hidden;
  pointer-events: none;
  object-fit: cover;
}
.comment-comments-main { padding: 5px 20px 16px; }
.comment-title3 {
  margin: 12px 0 8px;
  color: var(--paper-orange);
  font-size: 1.15rem;
  font-weight: 700;
  text-align: center;
}
.comment-comments-copy {
  margin: 15px 0;
  padding: 20px;
  border: 1px solid color-mix(in srgb, var(--paper-line-strong) 88%, transparent);
  background-color: color-mix(in srgb, var(--paper-bg) 70%, var(--paper-sheet));
  line-height: 2;
  text-align: center;
}
.comment-comments-copy p { margin: 0; color: var(--paper-ink); font-size: 15px; }
.comment-bottomcontent { margin-top: 24px; text-align: center; }
.comment-bottomimg { display: block; width: 100%; margin: 5px auto; pointer-events: none; }
.comment-bottomhr { margin: 8px 0 0; color: var(--paper-faint); font-size: 12px; text-align: center; }
.comment-envelope-danmaku__item {
  position: absolute;
  left: 0;
  display: inline-flex;
  height: 22px;
  max-width: 88%;
  align-items: center;
  gap: 6px;
  padding: 2px 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--paper-sheet) 82%, transparent);
  box-shadow: 0 1px 4px rgba(0, 0, 0, .08);
  color: var(--paper-ink);
  font-size: 12px;
  line-height: 22px;
  white-space: nowrap;
  will-change: transform;
}
.comment-envelope-danmaku__item img {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  border-radius: 50%;
  object-fit: cover;
}
.comment-envelope-danmaku__body { overflow: hidden; text-overflow: ellipsis; }

.comment-envelope-controls {
  position: relative;
  display: flex;
  width: min(100%, 800px);
  min-height: 48px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 9px;
  margin: 13px auto 0;
  padding: 5px 8px;
}
.comment-envelope-controls::before,
.comment-envelope-controls::after {
  position: absolute;
  top: 50%;
  width: clamp(24px, 11vw, 94px);
  height: 1px;
  border-top: 1px dashed var(--paper-line-strong);
  content: "";
  opacity: .8;
}
.comment-envelope-controls::before { right: calc(100% + 8px); }
.comment-envelope-controls::after { left: calc(100% + 8px); }
.comment-control-button {
  position: relative;
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 7px 12px;
  border: 1px solid var(--paper-line-strong);
  border-radius: 4px 10px 5px 8px;
  background: color-mix(in srgb, var(--paper-sheet) 90%, transparent);
  box-shadow: 2px 3px 0 color-mix(in srgb, var(--paper-bg-deep) 75%, transparent);
  color: var(--paper-muted);
  font-family: var(--paper-font-body);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: .01em;
  line-height: 1.2;
  cursor: pointer;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transition: color .2s ease, background-color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.comment-control-button::after {
  position: absolute;
  top: -4px;
  right: 12px;
  width: 22px;
  height: 7px;
  border: 1px solid color-mix(in srgb, var(--paper-orange-soft) 75%, transparent);
  background: color-mix(in srgb, var(--paper-orange-soft) 28%, transparent);
  content: "";
  opacity: .8;
  transform: rotate(2deg);
}
.comment-control-button:hover,
.comment-control-button:focus-visible {
  border-color: var(--paper-orange-soft);
  background: color-mix(in srgb, var(--paper-orange-soft) 12%, var(--paper-sheet));
  color: var(--paper-orange);
  box-shadow: 3px 5px 0 color-mix(in srgb, var(--paper-orange-soft) 42%, transparent);
  transform: translate(-1px, -2px) rotate(-.4deg);
}
.comment-control-button:active {
  box-shadow: 1px 2px 0 color-mix(in srgb, var(--paper-bg-deep) 75%, transparent);
  transform: translate(1px, 1px);
}
.comment-control-button[aria-expanded="true"] {
  border-color: var(--paper-green-deep);
  background: color-mix(in srgb, var(--paper-green) 18%, var(--paper-sheet));
  color: var(--paper-green-deep);
}
.comment-control-button[aria-pressed="true"] {
  border-color: var(--paper-orange);
  background: color-mix(in srgb, var(--paper-orange-soft) 19%, var(--paper-sheet));
  color: var(--paper-orange);
}
.comment-control-button[hidden] { display: none; }
.comment-control__icon {
  display: inline-flex;
  width: 16px;
  height: 16px;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}
.comment-control__icon .pm-icon { width: 100%; height: 100%; stroke-width: 1.9; }
.comment-control__icon--note { color: var(--paper-orange); }
.comment-control__icon--danmaku { color: var(--paper-green); }
.comment-envelope-toggle__chevron {
  width: 14px;
  height: 14px;
  margin-left: 1px;
  transition: transform .25s ease;
}
.comment-envelope-toggle[aria-expanded="true"] .comment-envelope-toggle__chevron { transform: rotate(180deg); }
.comment-envelope-pause__pause-icon,
.comment-envelope-pause__play-icon { width: 14px; height: 14px; color: currentColor; }
.comment-envelope-status {
  width: 100%;
  min-height: 1.45em;
  order: 3;
  margin: 0;
  color: var(--paper-faint);
  font-family: var(--paper-font-mono);
  font-size: 10px;
  line-height: 1.45;
  text-align: center;
}
.comment-envelope-status:empty { display: none; }
.comment-board-comments {
  width: min(100%, 800px);
  margin: 24px auto 40px;
  padding: 20px 24px;
  border: 1px solid var(--paper-line);
  border-radius: var(--paper-radius);
  background: var(--paper-sheet-soft);
  box-shadow: var(--paper-shadow-small);
  box-sizing: border-box;
}
.comment-board-comments .comments-section__heading { margin-bottom: 19px; }
.comment-board-comments__twikoo { min-height: 140px; padding: clamp(13px, 3vw, 22px); border: 1px solid var(--paper-line); background: var(--paper-sheet-soft); }
.comment-board-comments__twikoo[aria-busy="true"] { display: grid; place-items: center; }
.comment-board-comments .comments-section__notice { margin: 0; }

[data-theme="dark"] .comment-formmain {
  border-color: rgba(255, 255, 255, .12);
  background: rgb(50, 50, 50);
  box-shadow: 0 0 24px rgba(0, 0, 0, .45);
}
[data-theme="dark"] .comment-title3 { color: var(--paper-orange); }
[data-theme="dark"] .comment-comments-copy {
  border-color: color-mix(in srgb, var(--paper-line-strong) 88%, transparent);
  background: color-mix(in srgb, var(--paper-bg-deep) 64%, var(--paper-sheet));
}
[data-theme="dark"] .comment-comments-copy,
[data-theme="dark"] .comment-comments-copy p { color: var(--paper-ink); }
[data-theme="dark"] .comment-envelope-danmaku__item {
  background: color-mix(in srgb, var(--paper-bg-deep) 78%, transparent);
  box-shadow: 0 1px 6px rgba(0, 0, 0, .28);
  color: var(--paper-ink);
}
[data-theme="dark"] .comment-bottomhr { color: var(--paper-faint); }

@media (prefers-reduced-motion: reduce) {
  .comment-envelope-danmaku { display: none; }
  .comment-form-wrap,
  .comment-envelope,
  .comment-envelope-controls button,
  .comment-envelope-toggle__icon { transition: none; }
}
@media (max-width: 600px) {
  .comment-envelope-controls { display: none; }
}
@media (max-width: 600px) {
  .page-shell--comment { padding-bottom: 72px; }
  .comment-envelope-danmaku,
  .comment-envelope-desktop { display: none !important; }
  .comment-envelope-mobile {
    display: block;
    width: 100%;
    margin-top: 12px;
  }
  .comment-envelope-mobile .comment-formmain { width: 100%; }
  .comment-comments-main { padding: 5px 12px 12px; }
  .comment-comments-copy p { font-size: 14px; }
}