/* ============================================================
   YELLOWFLY // SPUD NEST — site.css
   设计系统：浅色纸感 / 深色终端，单一信号黄 #FFFA00
   无圆角、无阴影、切角、细线、编号、等宽标注
   ============================================================ */

/* ---------- 01. tokens ---------- */
:root {
  --paper: #f2f1ec;
  --ink: #171715;
  --accent: #fffa00;
  --muted: rgba(23, 23, 21, 0.56);
  --faint: rgba(23, 23, 21, 0.40);
  --line: rgba(23, 23, 21, 0.16);
  --line-mid: rgba(23, 23, 21, 0.32);
  --surface: #e9e8e0;
  --surface-2: #e2e1d8;
  --grid: rgba(23, 23, 21, 0.055);
  --hatch: rgba(23, 23, 21, 0.045);
  --danger: #b42318;
  --ok: #146c43;

  --cut: 10px;
  --gutter: clamp(16px, 4vw, 40px);
  --maxw: 1240px;

  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", monospace;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Noto Sans CJK SC", "Source Han Sans SC", system-ui, -apple-system,
    "Segoe UI", sans-serif;

  --ease: cubic-bezier(0.2, 0, 0, 1);
  --dur: 150ms;
  color-scheme: light;
}

[data-theme="dark"] {
  /* 深色：不用纯黑纯白，压到暖灰，避免夜里刺眼 */
  --paper: #171714;
  --ink: #bfbcb2;
  --accent: #ded700;
  --muted: rgba(191, 188, 178, 0.72);
  --faint: rgba(191, 188, 178, 0.48);
  --line: rgba(191, 188, 178, 0.15);
  --line-mid: rgba(191, 188, 178, 0.3);
  --surface: #1e1e1a;
  --surface-2: #262622;
  --grid: rgba(191, 188, 178, 0.05);
  --hatch: rgba(191, 188, 178, 0.04);
  --danger: #ff8a7d;
  --ok: #6fd8a6;
  color-scheme: dark;

  /* 深色下实心按钮不做整块亮白，压成中灰 */
  --btn-bg: #8f8d84;
  --btn-fg: #171714;
}

/* 深色下列表 hover 不整块反白，改为微微提亮 */
[data-theme="dark"] .row:hover {
  background: var(--surface-2);
  color: var(--ink);
}
[data-theme="dark"] .row:hover .row-no {
  color: var(--muted);
}
[data-theme="dark"] .row:hover .row-sub,
[data-theme="dark"] .row:hover .row-meta {
  color: var(--muted);
  opacity: 1;
}
[data-theme="dark"] .row:hover .row-arrow {
  color: var(--accent);
}

/* ---------- 02. reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img,
svg,
video {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
}

h1,
h2,
h3,
h4,
p,
figure,
blockquote,
ul,
ol {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

::selection {
  background: var(--accent);
  color: #0a0a0a;
}

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: var(--paper);
}
::-webkit-scrollbar-thumb {
  background: var(--line-mid);
  border: 3px solid var(--paper);
}

/* ---------- 03. 背景纹理 ---------- */
body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

/* 斜线 + 等高线环 */
body::before {
  background-image: repeating-linear-gradient(
      45deg,
      var(--hatch) 0 1px,
      transparent 1px 7px
    ),
    repeating-radial-gradient(
      circle at 12% 18%,
      transparent 0 22px,
      var(--grid) 22px 23px
    ),
    repeating-radial-gradient(
      circle at 88% 74%,
      transparent 0 28px,
      var(--grid) 28px 29px
    );
  opacity: 0.85;
}

/* 顶部渐隐，让内容区更干净 */
body::after {
  background: linear-gradient(
    180deg,
    var(--paper) 0%,
    transparent 18%,
    transparent 82%,
    var(--paper) 100%
  );
}

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
  position: relative;
  z-index: 1;
}

main {
  position: relative;
  z-index: 1;
}

/* ---------- 04. 通用 ---------- */
.mono {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.muted {
  color: var(--muted);
}

.accent {
  color: var(--ink);
  background: var(--accent);
  padding: 0 0.25em;
}

.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;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--accent);
  color: #0a0a0a;
  padding: 10px 16px;
  font-family: var(--mono);
  font-size: 12px;
}
.skip:focus {
  left: 8px;
  top: 8px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--muted);
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--line-mid);
}
[data-theme="dark"] .eyebrow::before {
  background: var(--line-mid);
}

.cut {
  clip-path: polygon(
    0 0,
    calc(100% - var(--cut)) 0,
    100% var(--cut),
    100% 100%,
    0 100%
  );
}

.section {
  padding-block: clamp(48px, 7vw, 96px);
  border-top: 1px solid var(--line);
  position: relative;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: clamp(24px, 4vw, 44px);
}

.section-title {
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.section-title small {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}

.section-link {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--line-mid);
  padding-bottom: 2px;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.section-link:hover {
  background: var(--ink);
  color: var(--paper);
}

/* ---------- 05. 按钮 ---------- */
.btn {
  --cut: 9px;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  padding: 0 22px;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
  clip-path: polygon(
    0 0,
    calc(100% - var(--cut)) 0,
    100% var(--cut),
    100% 100%,
    0 100%
  );
}

.btn:hover,
.btn:focus-visible {
  background: var(--ink);
  color: var(--paper);
}

.btn--solid {
  background: var(--btn-bg, var(--ink));
  color: var(--btn-fg, var(--paper));
}
.btn--solid:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #0a0a0a;
}

.btn--ghost {
  border-color: var(--line-mid);
  color: var(--muted);
}
.btn--ghost:hover {
  border-color: var(--ink);
  color: var(--paper);
}

.btn--sm {
  min-height: 34px;
  padding: 0 14px;
  font-size: 11px;
}

.btn[disabled],
.btn[aria-disabled="true"] {
  opacity: 0.45;
  pointer-events: none;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 34px;
  padding: 0 12px;
  border: 1px solid var(--line-mid);
  background: transparent;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}
.icon-btn:hover {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

kbd {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  border: 1px solid currentColor;
  padding: 1px 4px;
  opacity: 0.7;
}

/* ---------- 06. 顶栏 ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.topbar-inner {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 40px);
  height: 68px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-shrink: 0;
}

.brand-mark {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--muted);
}
.brand-mark i {
  font-style: normal;
  color: var(--accent);
  -webkit-text-stroke: 0.4px #0a0a0a;
}

.brand-name {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.4vw, 32px);
  margin-inline-start: auto;
}

.nav a {
  position: relative;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
  padding-block: 6px;
  transition: color var(--dur) var(--ease);
}
.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--ink);
}
.nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--accent);
}

.nav-num {
  font-size: 9px;
  opacity: 0.5;
  margin-inline-end: 5px;
}

.topbar-tools {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-inline-start: auto;
}

.nav-toggle {
  display: none;
}

@media (max-width: 860px) {
  .nav {
    display: none;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .topbar-tools .icon-btn span.lbl {
    display: none;
  }
  .brand-mark {
    display: none;
  }
  .topbar.is-open .nav {
    display: flex;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 8px var(--gutter) 16px;
  }
  .topbar.is-open .nav a {
    width: 100%;
    padding-block: 12px;
    border-bottom: 1px solid var(--line);
  }
}

/* ---------- 07. Hero ---------- */
.hero {
  position: relative;
  padding-block: clamp(56px, 9vw, 120px) clamp(40px, 6vw, 80px);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: clamp(24px, 4vw, 64px);
  align-items: end;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .hero-side {
    display: none;
  }
}

.hero-title {
  font-size: clamp(46px, 11vw, 132px);
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: -0.045em;
  margin-block: 18px 0;
}

.hero-outline {
  display: block;
  color: transparent;
  -webkit-text-stroke: 1px var(--ink);
  letter-spacing: 0.02em;
  font-size: clamp(26px, 6.4vw, 76px);
  line-height: 1;
  margin-top: 6px;
}

.hero-sub {
  max-width: 46ch;
  margin-top: 24px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-top: 34px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.hero-stat {
  font-family: var(--mono);
}
.hero-stat b {
  display: block;
  font-family: var(--sans);
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.hero-stat span {
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero-side {
  border-left: 1px solid var(--line);
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.side-label {
  writing-mode: vertical-rl;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--faint);
  height: 180px;
  align-self: flex-end;
}

.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  background: var(--ink);
  margin-inline-end: 8px;
  animation: pulse 2.4s steps(1, end) infinite;
}
@keyframes pulse {
  0%,
  55% {
    opacity: 1;
  }
  56%,
  100% {
    opacity: 0.15;
  }
}

/* ---------- 08. 编号行列表 ---------- */
.rows {
  border-top: 1px solid var(--line);
}

.row {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(12px, 2vw, 28px);
  padding: 20px clamp(10px, 1.5vw, 20px);
  border-bottom: 1px solid var(--line);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    padding-inline var(--dur) var(--ease);
}

.row:hover {
  background: var(--ink);
  color: var(--paper);
}

.row:hover .row-no,
.row:hover .row-sub,
.row:hover .row-meta {
  color: var(--accent);
  opacity: 1;
}

.row-no {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--faint);
}

.row-main {
  min-width: 0;
}

.row-title {
  display: block;
  min-width: 0;
  font-size: clamp(16px, 2vw, 21px);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.35;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.row-sub {
  display: block;
  min-width: 0;
  margin-top: 5px;
  font-size: 13px;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.row-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
  white-space: nowrap;
}

.row-arrow {
  font-family: var(--mono);
  font-size: 14px;
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.row:hover .row-arrow {
  opacity: 1;
  transform: none;
}

@media (max-width: 640px) {
  .row {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 10px;
    padding: 16px 0;
  }
  .row-title {
    font-size: 16px;
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }
  .row-sub {
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }
  .row-meta {
    grid-column: 2;
    margin-top: 6px;
  }
  .row-arrow {
    display: none;
  }
}

/* 置顶 / 大卡片 */
.card {
  position: relative;
  border: 1px solid var(--line);
  background: var(--surface);
  padding: clamp(22px, 3.4vw, 40px);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color var(--dur) var(--ease),
    background var(--dur) var(--ease);
}
.card:hover {
  border-color: var(--ink);
}
.card::before {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 240ms var(--ease);
}
.card:hover::before {
  transform: scaleX(1);
}

.card-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
}

.card-title {
  font-size: clamp(24px, 3.4vw, 40px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.card-excerpt {
  color: var(--muted);
  max-width: 60ch;
  font-size: 14.5px;
}

.card-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: auto;
  padding-top: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

/* ---------- 09. 标签 ---------- */
.tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid var(--line-mid);
  padding: 2px 8px;
  color: var(--muted);
  white-space: nowrap;
}
.row:hover .tag {
  border-color: currentColor;
  color: inherit;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-btn {
  cursor: pointer;
  background: transparent;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  border: 1px solid var(--line-mid);
  padding: 6px 12px;
  color: var(--muted);
  text-transform: uppercase;
}
.tag-btn:hover {
  border-color: var(--ink);
  color: var(--ink);
}
.tag-btn[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}
.tag-btn b {
  font-weight: 400;
  opacity: 0.55;
  margin-inline-start: 6px;
}

/* ---------- 10. 文章正文 ---------- */
.post-head {
  padding-block: clamp(40px, 6vw, 72px) 0;
}

.crumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 26px;
}
.crumb a:hover {
  color: var(--ink);
  border-bottom: 1px solid currentColor;
}

.post-title {
  font-size: clamp(32px, 5.6vw, 64px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.035em;
  max-width: 20ch;
}

.post-title-en {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
  max-width: none;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 22px;
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0;
  background: var(--accent);
  z-index: 60;
  transition: width 80ms linear;
}

.prose {
  max-width: 72ch;
  padding-block: clamp(34px, 5vw, 56px);
  font-size: 16.5px;
  line-height: 1.9;
  letter-spacing: 0.005em;
}

.prose > * + * {
  margin-top: 1.15em;
}

.prose h2 {
  margin-top: 2.2em;
  font-size: clamp(22px, 2.6vw, 28px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.3;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.prose h3 {
  margin-top: 1.8em;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.prose p {
  color: var(--ink);
}

.prose a {
  border-bottom: 1px solid var(--line-mid);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.prose a:hover {
  background: var(--accent);
  color: #0a0a0a;
  border-bottom-color: transparent;
}

.prose strong {
  font-weight: 700;
}

.prose ul,
.prose ol {
  padding-left: 1.4em;
  list-style: none;
}

.prose ul li,
.prose ol li {
  position: relative;
  margin-top: 0.5em;
  padding-left: 0.2em;
}

.prose ul li::before {
  content: "";
  position: absolute;
  left: -1em;
  top: 0.82em;
  width: 6px;
  height: 1px;
  background: var(--line-mid);
}

.prose ol {
  counter-reset: li;
}
.prose ol li {
  counter-increment: li;
}
.prose ol li::before {
  content: counter(li, decimal-leading-zero);
  position: absolute;
  left: -1.9em;
  top: 0.1em;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--faint);
}

.prose blockquote {
  border-left: 2px solid var(--accent);
  padding: 4px 0 4px 20px;
  color: var(--muted);
  font-size: 15.5px;
}
.prose blockquote p {
  color: inherit;
}

.prose code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: var(--surface);
  padding: 2px 6px;
  border: 1px solid var(--line);
}

.prose pre {
  position: relative;
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 18px 18px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.7;
}
.prose pre code {
  background: none;
  border: 0;
  padding: 0;
  font-size: 13px;
}

.copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  border: 1px solid var(--line-mid);
  background: var(--paper);
  color: var(--muted);
  padding: 3px 8px;
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--dur) var(--ease), color var(--dur) var(--ease);
}
pre:hover .copy-btn,
.copy-btn:focus-visible {
  opacity: 1;
}
.copy-btn:hover {
  color: var(--ink);
  border-color: var(--ink);
}

.prose figure {
  margin-block: 2em;
}

.prose figure img,
.prose > p > img {
  border: 1px solid var(--line);
  width: 100%;
}

.prose figcaption {
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--faint);
  text-transform: uppercase;
}

.prose hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin-block: 2.4em;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.prose th,
.prose td {
  border: 1px solid var(--line);
  padding: 9px 12px;
  text-align: left;
}
.prose th {
  background: var(--surface);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 400;
}

/* 文章尾 */
.post-foot {
  border-top: 1px solid var(--line);
  padding-top: 22px;
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
}

.pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border-block: 1px solid var(--line);
  margin-top: clamp(40px, 6vw, 72px);
}
.pager a {
  background: var(--paper);
  padding: 22px clamp(14px, 2vw, 26px);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.pager a:hover {
  background: var(--ink);
  color: var(--paper);
}
.pager span {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}
.pager a:hover span {
  color: var(--accent);
}
.pager b {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
}
.pager .next {
  text-align: right;
}
.pager .empty {
  background: var(--paper);
  padding: 22px;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 11px;
}
@media (max-width: 640px) {
  .pager {
    grid-template-columns: 1fr;
  }
  .pager .next {
    text-align: left;
  }
}

/* ---------- 11. 评论 ---------- */
.comments {
  margin-top: clamp(40px, 6vw, 72px);
  border-top: 1px solid var(--line);
  padding-top: 30px;
}

.comment {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 18px;
}
@media (max-width: 640px) {
  .comment {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}

.comment-who {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
}
.comment-who b {
  display: block;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14px;
  letter-spacing: 0;
  margin-bottom: 4px;
}
.comment-body {
  font-size: 14.5px;
  line-height: 1.8;
  white-space: pre-wrap;
  word-break: break-word;
}

.comment-empty {
  padding: 26px 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--faint);
}

.comment-form {
  margin-top: 24px;
  display: grid;
  gap: 12px;
}

/* ---------- 12. 表单 ---------- */
.field {
  display: grid;
  gap: 7px;
}
.field > label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
}

.field input,
.field textarea {
  width: 100%;
  background: transparent;
  border: 1px solid var(--line-mid);
  padding: 11px 13px;
  font-size: 15px;
  color: var(--ink);
  transition: border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
  border-radius: 0;
  appearance: none;
}
.field textarea {
  min-height: 120px;
  resize: vertical;
  line-height: 1.7;
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: inset 0 -2px 0 var(--accent);
}
.field input::placeholder,
.field textarea::placeholder {
  color: var(--faint);
}

.alert {
  border: 1px solid var(--line-mid);
  border-left: 3px solid var(--ink);
  padding: 12px 14px;
  font-size: 13.5px;
  line-height: 1.7;
  background: var(--surface);
}
.alert--err {
  border-left-color: var(--danger);
  color: var(--danger);
}
.alert--ok {
  border-left-color: var(--ok);
  color: var(--ok);
}

.auth-shell {
  min-height: calc(100vh - 68px);
  display: grid;
  place-items: center;
  padding-block: clamp(40px, 8vw, 90px);
}

.auth-card {
  width: 100%;
  max-width: 440px;
  border: 1px solid var(--line);
  padding: clamp(24px, 4vw, 40px);
  background: var(--paper);
  position: relative;
}
.auth-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 10px;
  height: 10px;
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}
.auth-card::after {
  content: "";
  position: absolute;
  bottom: -1px;
  right: -1px;
  width: 10px;
  height: 10px;
  border-bottom: 1px solid var(--ink);
  border-right: 1px solid var(--ink);
}

.auth-card h1 {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-block: 8px 4px;
}
.auth-card .lead {
  color: var(--muted);
  font-size: 13.5px;
  margin-bottom: 26px;
}
.auth-card form {
  display: grid;
  gap: 16px;
}

/* ---------- 13. 文件下载 ---------- */
.file-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 20px;
  border: 1px solid var(--line);
  transition: border-color var(--dur) var(--ease);
}
.file-row + .file-row {
  margin-top: -1px;
}
.file-row:hover {
  border-color: var(--ink);
  position: relative;
  z-index: 1;
}
.file-name {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.file-desc {
  font-size: 13px;
  color: var(--muted);
  margin-top: 5px;
}
.file-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 9px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--faint);
  text-transform: uppercase;
}
.file-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.file-count {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-align: right;
  white-space: nowrap;
}
.file-count b {
  display: block;
  font-family: var(--sans);
  font-size: 20px;
  font-weight: 800;
  color: var(--ink);
  line-height: 1.1;
}

/* ---------- 14. 页脚 ---------- */
.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--line);
  padding-block: clamp(40px, 6vw, 64px) 24px;
  margin-top: clamp(40px, 6vw, 72px);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: clamp(24px, 4vw, 48px);
}
@media (max-width: 860px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 520px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-brand .brand-name {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.footer-brand p {
  color: var(--muted);
  font-size: 13px;
  margin-top: 12px;
  max-width: 30ch;
  line-height: 1.8;
}

.footer-col h3 {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 14px;
  font-weight: 400;
}

.footer-col a,
.footer-col li {
  display: block;
  font-size: 13.5px;
  color: var(--muted);
  padding-block: 5px;
  transition: color var(--dur) var(--ease);
}
.footer-col a:hover {
  color: var(--ink);
}
.footer-col a::before {
  content: "· ";
  opacity: 0.5;
}

.friend-item {
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.friend-item em {
  font-style: normal;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--faint);
}

.footer-bottom {
  margin-top: clamp(32px, 5vw, 56px);
  padding-top: 18px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  align-items: center;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--faint);
}
.footer-bottom .sys {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* ---------- 15. 启动遮罩 ---------- */
.boot {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--paper);
  display: grid;
  place-items: center;
  transition: opacity 320ms var(--ease);
}
.boot.is-done {
  opacity: 0;
  pointer-events: none;
}
.boot-inner {
  width: min(420px, 82vw);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
.boot-top {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
}
.boot-bar {
  height: 2px;
  background: var(--line);
  position: relative;
  overflow: hidden;
}
.boot-bar i {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  background: var(--accent);
  transition: width 120ms linear;
}
.boot-log {
  margin-top: 14px;
  min-height: 3.2em;
  line-height: 1.6;
  font-size: 10px;
  color: var(--faint);
}
.boot-skip {
  margin-top: 18px;
  background: none;
  border: 1px solid var(--line-mid);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  padding: 5px 10px;
  cursor: pointer;
}
.boot-skip:hover {
  color: var(--ink);
  border-color: var(--ink);
}

/* ---------- 16. 搜索面板 ---------- */
.palette {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: none;
  padding: 12vh 16px 16px;
  background: rgba(10, 10, 10, 0.35);
  backdrop-filter: blur(2px);
}
.palette.is-open {
  display: block;
}
.palette-box {
  width: min(640px, 100%);
  margin-inline: auto;
  background: var(--paper);
  border: 1px solid var(--ink);
}
.palette-input {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  padding: 16px 18px;
  font-size: 17px;
  outline: none;
}
.palette-input::placeholder {
  color: var(--faint);
}
.palette-results {
  max-height: 52vh;
  overflow-y: auto;
}
.palette-item {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 13px 18px;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
}
.palette-item:hover,
.palette-item.is-active {
  background: var(--ink);
  color: var(--paper);
}
.palette-item .no {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--faint);
  letter-spacing: 0.1em;
}
.palette-item:hover .no {
  color: var(--accent);
}
.palette-item .t {
  font-size: 14.5px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.palette-item .d {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  opacity: 0.6;
  white-space: nowrap;
}
.palette-empty {
  padding: 26px 18px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--faint);
  text-transform: uppercase;
}
.palette-foot {
  display: flex;
  gap: 18px;
  padding: 10px 18px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--faint);
  text-transform: uppercase;
  border-top: 1px solid var(--line);
}

/* ---------- 17. toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translate(-50%, 12px);
  z-index: 300;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  padding: 12px 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms var(--ease), transform 200ms var(--ease);
  max-width: 90vw;
}
.toast.is-on {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ---------- 18. reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 520ms var(--ease), transform 520ms var(--ease);
}
.reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
  .boot {
    display: none;
  }
}

/* ---------- 19. 归档过滤 ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-block: 18px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 6px;
}

.year-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-top: 30px;
  padding-bottom: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--faint);
  text-transform: uppercase;
}
.year-head b {
  font-family: var(--sans);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.result-note {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--faint);
  text-transform: uppercase;
  padding-block: 14px;
}

/* ---------- 20. 后台 ---------- */
.admin-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.admin-panel {
  border: 1px solid var(--line);
  padding: clamp(18px, 3vw, 28px);
  background: var(--paper);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
.table th {
  text-align: left;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--faint);
  font-weight: 400;
  padding: 8px 10px;
  border-bottom: 1px solid var(--line-mid);
}
.table td {
  padding: 11px 10px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.table tr:hover td {
  background: var(--surface);
}
.table .mono {
  font-size: 11px;
}

.pill {
  display: inline-block;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 2px 7px;
  border: 1px solid var(--line-mid);
  color: var(--muted);
}
.pill--on {
  border-color: var(--ok);
  color: var(--ok);
}
.pill--off {
  border-color: var(--danger);
  color: var(--danger);
}
.pill--warn {
  border-color: var(--ink);
  background: var(--accent);
  color: #0a0a0a;
}

.code-line {
  display: flex;
  gap: 10px;
  align-items: center;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  border: 1px dashed var(--line-mid);
  padding: 10px 12px;
  margin-top: 10px;
  word-break: break-all;
}

.stack {
  display: grid;
  gap: 14px;
}
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 700px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

/* ---------- 21. 打印 ---------- */
@media print {
  .topbar,
  .footer,
  .boot,
  .palette,
  .toast,
  .comments,
  .pager {
    display: none !important;
  }
  body::before,
  body::after {
    display: none;
  }
  body {
    background: #fff;
    color: #000;
  }
}
/* 页脚状态列表（合法的 ul 包裹） */
.foot-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.foot-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-block: 3px;
}
/* 评论列表与首页按钮组（补齐 HTML 中用到的类） */
.comment-list {
  display: grid;
  gap: 0;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
/* ============ 标签云（归档页） ============ */
.tag-block {
  margin: 34px 0 4px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  background: var(--surface);
}
.tag-block__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 14px;
}
.tag-block__head .eyebrow { margin: 0; }
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag--count {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 10px;
  font-size: 12.5px;
  letter-spacing: 0;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line-mid);
  text-decoration: none;
  transition: background var(--dur) linear, color var(--dur) linear, border-color var(--dur) linear;
}
.tag--count b {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.tag--count:hover,
.tag--count[aria-current="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: #0a0a0a;
}
.tag--count:hover b,
.tag--count[aria-current="true"] b { color: #0a0a0a; opacity: 0.6; }

/* ============ 最近在听 ============ */
.music {
  display: grid;
  grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.music-now {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
  min-height: 190px;
  padding: 24px;
  background: var(--surface);
}
.music-disc {
  position: relative;
  display: block;
  width: 74px;
  height: 74px;
  border: 1px solid var(--ink);
  border-radius: 50%;
}
.music-disc::after {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px solid var(--line-mid);
  border-radius: 50%;
}
.music-disc i {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 9px;
  height: 9px;
  transform: translate(-50%, -50%);
  background: var(--accent);
}
.music-now-text { display: grid; gap: 4px; }
.music-now-text b {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.3;
}
.music-now-text span:last-child { font-size: 12.5px; color: var(--muted); }
.music-live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  color: var(--muted);
}
.music-list {
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--surface);
}
.music-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 64px;
  align-items: center;
  gap: 12px;
  padding: 13px 18px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}
.music-item:last-child { border-bottom: 0; }
.music-item:hover { background: color-mix(in srgb, var(--ink) 4%, transparent); }
.music-no {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--muted);
}
.music-name { display: grid; gap: 2px; min-width: 0; }
.music-name a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.music-name a:hover { border-color: var(--accent); }
.music-name em {
  font-style: normal;
  font-size: 11.5px;
  letter-spacing: 0.02em;
  color: var(--muted);
}
.music-time {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-align: right;
  color: var(--muted);
}

/* ============ 后台编辑器 ============ */
.editor-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line-mid);
}
.editor-head b {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
}
.check-row {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  font-size: 13px;
  color: var(--muted);
}
.check-row label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}
.check-row input { width: 14px; height: 14px; accent-color: var(--ink); }
.editor-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
[data-post-form] textarea {
  min-height: 320px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.7;
  resize: vertical;
}
button.section-link {
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  font: inherit;
}

@media (max-width: 760px) {
  .music { grid-template-columns: 1fr; }
  .music-now {
    flex-direction: row;
    align-items: center;
    min-height: 0;
    gap: 16px;
    padding: 18px;
  }
  .music-disc { width: 52px; height: 52px; flex: 0 0 auto; }
  .music-live { display: none; }
  .music-now-text b { font-size: 16px; }
}
/* 管理台：文章筛选框 */
.admin-filter{
  width:210px;max-width:52vw;padding:7px 10px;border:1px solid var(--line);
  background:var(--surface);color:var(--ink);
  font-family:var(--mono);font-size:11px;letter-spacing:.06em;
}
.admin-filter:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
.admin-filter::placeholder{color:var(--muted);opacity:.8}

/* ---------- 置顶：紧凑横条（替代原先的大卡片） ---------- */
.feature{
  position:relative;
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto 22px;
  align-items:center;
  gap:clamp(14px,2.4vw,30px);
  padding:16px clamp(16px,2.4vw,24px);
  border:1px solid var(--line);
  border-left:3px solid var(--accent);
  background:var(--surface);
  transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.feature:hover{border-color:var(--ink)}
.feature-flag{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:10px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--muted);white-space:nowrap;
}
.feature-main{display:flex;flex-direction:column;gap:4px;min-width:0}
.feature-title{
  font-size:clamp(16px,2.1vw,21px);font-weight:800;
  letter-spacing:-.02em;line-height:1.25;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.feature-sub{
  font-size:12.5px;color:var(--muted);line-height:1.5;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:58ch;
}
.feature-meta{
  display:inline-flex;align-items:center;gap:12px;
  font-family:var(--mono);font-size:10px;letter-spacing:.12em;
  color:var(--muted);white-space:nowrap;
}
.feature-arrow{
  font-family:var(--mono);font-size:14px;line-height:1;color:var(--muted);
  transition:transform var(--dur) var(--ease),color var(--dur) var(--ease);
}
.feature:hover .feature-arrow{transform:translateX(4px);color:var(--ink)}
.feature:focus-visible{outline:2px solid var(--ink);outline-offset:3px}

@media (max-width:980px){
  .feature-meta .tag-row{display:none}
}
@media (max-width:640px){
  .feature{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 12px;padding:14px 16px}
  .feature-flag{flex:1 1 100%}
  .feature-main{flex:1 1 auto}
  .feature-sub,.feature-meta,.feature-arrow{display:none}
}

/* ---------- 窄屏：管理台表格横向滚动 ---------- */
.table-wrap{max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
.table-wrap .table{min-width:0}
@media(max-width:760px){.table-wrap .table{min-width:620px}}

/* ---------- 窄屏：点按区域放大 ---------- */
@media(max-width:860px){
  .icon-btn{height:38px;padding:0 10px}
  .nav-toggle{width:40px;padding:0;justify-content:center}
}
@media(max-width:640px){
  a.tag, button.tag{padding-block:6px}
  .footer-col a{display:inline-block;padding-block:4px}
}

/* ---------- 窄屏：输入框 16px，避免 iOS 聚焦缩放 ---------- */
@media(max-width:640px){
  .field input,.field textarea,.admin-filter,[data-post-form] textarea{font-size:16px}
}

/* ---------- 20. polish：滚动标语 / 回到顶部 / 页面转场 ---------- */
.ticker {
  overflow: hidden;
  margin-top: clamp(30px, 5vw, 56px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding-block: 10px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
}

.ticker-track {
  display: flex;
  width: max-content;
  gap: 34px;
  animation: ticker 52s linear infinite;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--faint);
  white-space: nowrap;
  will-change: transform;
}

.ticker-track span {
  display: inline-flex;
  align-items: center;
  gap: 34px;
}

.ticker-track i {
  font-style: normal;
  color: var(--accent);
  transform: translateY(-1px);
}

.ticker:hover .ticker-track,
.ticker:focus-within .ticker-track {
  animation-play-state: paused;
}

@keyframes ticker {
  to {
    transform: translateX(-50%);
  }
}

/* 回车键一样干脆的页面转场（支持的浏览器才生效） */
@view-transition {
  navigation: auto;
}

::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 190ms;
  animation-timing-function: cubic-bezier(0.2, 0, 0, 1);
}

::view-transition-old(root) {
  animation-name: vt-out;
}

::view-transition-new(root) {
  animation-name: vt-in;
}

@keyframes vt-out {
  to {
    opacity: 0;
  }
}

@keyframes vt-in {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
}

/* 导航：悬停时黄色下划线滑入 */
.nav a::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms var(--ease);
}

.nav a:hover::before {
  transform: scaleX(1);
}

/* 列表行：hover 时左侧亮起一条细黄线 */
.row {
  position: relative;
}

.row::before {
  content: "";
  position: absolute;
  inset-block: 0;
  left: 0;
  width: 2px;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 180ms var(--ease);
}

.row:hover::before {
  transform: scaleY(1);
}

/* 文章配图：悬停轻微推近，边框加深 */
.prose figure {
  overflow: hidden;
}

.prose figure img,
.prose > p > img {
  transition: transform 460ms var(--ease), border-color 200ms var(--ease);
}

.prose figure:hover img {
  transform: scale(1.012);
  border-color: var(--line-mid);
}

/* 回到顶部 */
.to-top {
  position: fixed;
  right: clamp(14px, 3vw, 28px);
  bottom: calc(clamp(14px, 3vw, 28px) + env(safe-area-inset-bottom));
  z-index: 90;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid var(--line-mid);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 15px;
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity 200ms var(--ease), transform 200ms var(--ease),
    background 150ms var(--ease), color 150ms var(--ease),
    border-color 150ms var(--ease);
}

.to-top.is-on {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.to-top:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #171714;
}

/* 切主题时让颜色短暂过渡，避免生硬闪一下 */
html.theme-swap *,
html.theme-swap *::before,
html.theme-swap *::after {
  transition: background-color 240ms var(--ease), color 240ms var(--ease),
    border-color 240ms var(--ease) !important;
}

/* 归档年份标题吸顶 */
.year-head {
  position: sticky;
  top: 68px;
  z-index: 4;
  background: var(--paper);
}

@media (max-width: 640px) {
  .ticker-track {
    gap: 24px;
    font-size: 9px;
    letter-spacing: 0.2em;
  }
  .ticker-track span {
    gap: 24px;
  }
  .to-top {
    width: 42px;
    height: 42px;
    font-size: 14px;
  }
  .year-head {
    top: 60px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ticker-track {
    animation: none;
  }
  .to-top {
    transition: opacity 150ms linear;
  }
  html.theme-swap *,
  html.theme-swap *::before,
  html.theme-swap *::after {
    transition: none !important;
  }
  ::view-transition-old(root),
  ::view-transition-new(root) {
    animation: none;
  }
}

@media print {
  .ticker,
  .to-top {
    display: none !important;
  }
}

/* ============================================================
   21. TYPOGRAPHIC DETAIL — 排版细节
   ============================================================ */

::selection {
  background: var(--accent);
  color: #171714;
}

/* 大标题走 balance，避免最后一行只剩一两个字 */
.hero-title,
.section-title,
.card-title,
.feature-title,
.post-title {
  text-wrap: balance;
}

/* 数字等宽，计数器/时间戳滚动或跳动时不抖 */
[data-clock],
.hero-stat b,
.music-time,
.post-meta li,
.file-meta,
.tag b,
.boot-log,
.admin-bar code {
  font-variant-numeric: tabular-nums;
}

/* 长 URL / 长英文串不撑破正文 */
.prose {
  overflow-wrap: break-word;
}

.prose a {
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

/* 滚动条也纳入配色，存在感更低 */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--line-mid) transparent;
}

::-webkit-scrollbar {
  width: 11px;
  height: 11px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--line-mid);
  border: 3px solid var(--paper);
  border-radius: 0;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--ink);
}

/* 目录/标题锚点定位时给顶部留出固定导航的高度 */
.prose :is(h2, h3, h4) {
  scroll-margin-top: 88px;
}

/* 站点 footer 底部细线，收口更像工业界面 */
.footer-bottom {
  border-top: 1px solid var(--line);
}

/* ============================================================
   22. CODE HIGHLIGHT — 代码高亮（构建期着色，浏览器零开销）
   ============================================================ */

.prose pre[data-lang] {
  padding-top: 30px;
}

.prose pre[data-lang]::before {
  content: attr(data-lang);
  position: absolute;
  top: 8px;
  left: 14px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--faint);
  pointer-events: none;
}

.prose pre {
  --tok-kw: #9a5b00;
  --tok-str: #2f6a3c;
  --tok-num: #8a3b8f;
  --tok-com: #8b8878;
  --tok-fn: #1f5f8b;
  --tok-pre: #7a4a12;
  tab-size: 2;
}

[data-theme="dark"] .prose pre {
  --tok-kw: #e3cf5c;
  --tok-str: #9ecf8d;
  --tok-num: #d7a8e6;
  --tok-com: #7e7b6d;
  --tok-fn: #8cc7ee;
  --tok-pre: #d8b06a;
}

.tok-kw { color: var(--tok-kw); }
.tok-str { color: var(--tok-str); }
.tok-num { color: var(--tok-num); }
.tok-com { color: var(--tok-com); font-style: italic; }
.tok-fn { color: var(--tok-fn); }
.tok-pre { color: var(--tok-pre); }

/* ============================================================
   23. LIGHTBOX — 图片灯箱
   ============================================================ */

.prose img {
  cursor: zoom-in;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(16px, 4vw, 56px);
  background: rgba(12, 12, 10, 0.9);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms var(--ease);
}

.lightbox.is-on {
  opacity: 1;
  pointer-events: auto;
}

.lightbox figure {
  margin: 0;
  max-width: min(1100px, 100%);
  max-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.lightbox img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: #08080a;
  cursor: zoom-out;
  transform: scale(0.985);
  transition: transform 220ms var(--ease);
}

.lightbox.is-on img {
  transform: scale(1);
}

.lightbox figcaption {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.72);
  text-align: center;
  text-transform: uppercase;
}

.lightbox figcaption:empty {
  display: none;
}

.lightbox-close {
  position: absolute;
  top: clamp(10px, 2.5vw, 22px);
  right: clamp(10px, 2.5vw, 22px);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: #f2f1ec;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.32);
  padding: 8px 12px;
  cursor: pointer;
  transition: background 140ms var(--ease), color 140ms var(--ease);
}

.lightbox-close:hover {
  background: var(--accent);
  color: #171714;
  border-color: var(--accent);
}

body.lightbox-open {
  overflow: hidden;
}

@media (prefers-reduced-motion: reduce) {
  .lightbox,
  .lightbox img {
    transition: none;
  }
}

/* ============================================================
   24. PLAYER — 底部播放器
   ============================================================ */

.music-item {
  cursor: pointer;
}

.music-item .music-play {
  width: 22px;
  height: 22px;
  margin-right: 10px;
  border: 1px solid var(--line-mid);
  background: transparent;
  color: var(--muted);
  font-size: 9px;
  line-height: 1;
  cursor: pointer;
  transition: background 140ms var(--ease), color 140ms var(--ease), border-color 140ms var(--ease);
}

.music-item:hover .music-play,
.music-item.is-playing .music-play {
  background: var(--accent);
  border-color: var(--accent);
  color: #171714;
}

.music-item.is-playing .music-no,
.music-item.is-playing .music-name b {
  color: var(--ink);
}

.player {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 95;
  background: var(--paper);
  border-top: 1px solid var(--line-mid);
  transform: translateY(101%);
  transition: transform 220ms var(--ease);
  will-change: transform;
}

.player.is-on {
  transform: none;
}

.player-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) auto minmax(0, 1.5fr) auto auto;
  grid-template-areas: "meta ctrl seek vol close";
  align-items: center;
  gap: 18px;
  padding: 11px clamp(14px, 4vw, 40px);
}

.player-meta {
  grid-area: meta;
  display: flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
}

.player-disc {
  width: 30px;
  height: 30px;
  flex: none;
  border: 1px solid var(--line-mid);
  display: grid;
  place-items: center;
  position: relative;
}

.player-disc i {
  width: 12px;
  height: 12px;
  background: var(--accent);
  display: block;
}

.player.is-playing .player-disc {
  animation: disc-spin 3.6s linear infinite;
}

@keyframes disc-spin {
  to { transform: rotate(360deg); }
}

.player-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.35;
}

.player-text b {
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player-text span {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player-controls {
  grid-area: ctrl;
  display: flex;
  align-items: center;
  gap: 6px;
}

.pbtn {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-mid);
  background: transparent;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 140ms var(--ease), color 140ms var(--ease), border-color 140ms var(--ease);
}

.pbtn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #171714;
}

.pbtn.is-off {
  color: var(--faint);
  border-color: var(--line);
}

.pbtn--main {
  width: 40px;
  height: 40px;
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
  font-size: 12px;
}

.pbtn--main:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #171714;
}

.player-seek {
  grid-area: seek;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.player-time {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
  min-width: 36px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.player-vol {
  grid-area: vol;
  display: flex;
  align-items: center;
  gap: 8px;
}

.player-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 16px;
  background: transparent;
  cursor: pointer;
}

.player-range::-webkit-slider-runnable-track {
  height: 2px;
  background: var(--line-mid);
}

.player-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 9px;
  height: 14px;
  margin-top: -6px;
  background: var(--ink);
  border: 0;
}

.player-range:hover::-webkit-slider-thumb {
  background: var(--accent);
}

.player-range::-moz-range-track {
  height: 2px;
  background: var(--line-mid);
}

.player-range::-moz-range-thumb {
  width: 9px;
  height: 14px;
  border: 0;
  border-radius: 0;
  background: var(--ink);
}

.player-range--vol {
  width: 74px;
  flex: none;
}

.player-close {
  grid-area: close;
}

body.has-player {
  padding-bottom: 76px;
}

@media (max-width: 760px) {
  .player-inner {
    grid-template-columns: minmax(0, 1fr) auto auto;
    grid-template-areas:
      "meta ctrl close"
      "seek seek seek";
    gap: 8px 10px;
    padding: 10px 14px;
  }
  .player-vol {
    display: none;
  }
  .player-time {
    min-width: 30px;
  }
  body.has-player {
    padding-bottom: 104px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .player,
  .player.is-playing .player-disc {
    transition: none;
    animation: none;
  }
}

/* ============================================================
 25. PET — 大肥鱼桌宠
 ============================================================ */

.pet {
  position: fixed;
  left: 20px;
  bottom: 20px;
  z-index: 60;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.pet-figure {
  position: relative;
  width: 92px;
  height: 88px;
  padding: 4px 4px 0;
  border: 1px solid var(--line-mid);
  background: var(--surface);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.pet-figure:hover,
.pet.is-open .pet-figure {
  transform: translateY(-3px);
  border-color: var(--accent);
}

.pet-svg {
  display: block;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.pet-body,
.pet-tail,
.pet-fin {
  fill: var(--ink);
}

.pet-belly {
  fill: var(--paper);
  opacity: 0.94;
}

.pet-eye {
  fill: var(--paper);
  transform-origin: 48px 26px;
  animation: pet-blink 6.4s infinite;
}

.pet-smile,
.pet-spout {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.6;
  stroke-linecap: round;
}

.pet-smile {
  stroke: var(--paper);
  opacity: 0.75;
}

.pet-svg {
  animation: pet-bob 4.6s ease-in-out infinite;
}

.pet-dot {
  position: absolute;
  top: 7px;
  right: 8px;
  width: 7px;
  height: 7px;
  background: var(--accent);
  animation: pet-pulse 2.4s ease-in-out infinite;
}

.pet-tip {
  display: none;
  position: absolute;
  left: 0;
  bottom: calc(100% + 10px);
  max-width: 240px;
  padding: 6px 9px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 10px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pet.is-hover .pet-tip {
  display: block;
}

.pet-panel {
  position: absolute;
  /* 默认贴在桌宠右边，别挡住正文标题 */
  left: calc(100% + 12px);
  bottom: 0;
  width: 316px;
  padding: 16px 18px 14px;
  border: 1px solid var(--line-mid);
  background: var(--surface);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
  animation: pet-in 0.16s ease both;
}

.pet-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.pet-head b {
  font-size: 14px;
  letter-spacing: 0.06em;
}

.pet-live {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  color: var(--accent);
}

.pet-live.is-off {
  color: var(--faint);
}

.pet-rows {
  margin: 4px 0 0;
}

.pet-row {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 8px 0;
  border-bottom: 1px dashed var(--line);
}

.pet-row:last-child {
  border-bottom: 0;
}

.pet-row dt {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.pet-row dd {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.pet-row dd[data-pet-note] {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pet-row dd.is-off {
  color: var(--accent);
}

.pet-row dd.is-on {
  color: var(--muted);
}

.pet-link {
  display: block;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s ease, background-color 0.15s ease;
}

.pet-link:hover,
.pet-link:focus-visible {
  color: var(--paper);
  background: var(--ink);
}

.pet-custom {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  overflow: hidden;
}

.pet-img {
  display: block;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: 100%;
  object-fit: contain;
  animation: pet-bob 4.6s ease-in-out infinite;
  user-select: none;
  -webkit-user-drag: none;
}

.pet-figure {
  touch-action: none;
}

.pet.is-dragging {
  cursor: grabbing;
}

.pet.is-dragging .pet-panel {
  display: none;
}

@keyframes pet-bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

@keyframes pet-blink {
  0%, 92%, 100% { transform: scaleY(1); }
  95% { transform: scaleY(0.12); }
}

@keyframes pet-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* 只用位移做入场：opacity 一旦卡在 0%，面板就会"透明到看不清" */
@keyframes pet-in {
  from { transform: translateY(6px); }
  to { transform: translateY(0); }
}

/* 桌宠被拖到屏幕右侧时，面板翻到左边 */
.pet.is-left .pet-panel {
  left: auto;
  right: calc(100% + 12px);
}

@media (max-width: 640px) {
  .pet {
    left: 12px;
    bottom: 12px;
  }
  .pet-figure {
    width: 74px;
    height: 70px;
  }
  .pet-panel {
    left: 0;
    right: auto;
    bottom: calc(100% + 12px);
    width: calc(100vw - 24px);
    max-width: 340px;
  }
  .pet-tip {
    display: none !important;
  }
}

/* 播放条升起时，桌宠让位，别叠在一起 */
body.has-player .pet {
  bottom: 84px;
}

@media (max-width: 760px) {
  body.has-player .pet {
    bottom: 108px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pet-svg,
  .pet-eye,
  .pet-dot {
    animation: none;
  }
  .pet-panel {
    animation: none;
  }
  .pet-figure {
    transition: none;
  }
}

@media print {
  .pet {
    display: none !important;
  }
}

/* ============================================================
   26. 文章目录 / 首页标签云 / 编辑器插图
   ============================================================ */

/* 文章布局：宽屏右侧目录，窄屏折叠到正文上方 */
.post-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 48px;
}
@media (min-width: 1080px) {
  .post-layout {
    grid-template-columns: minmax(0, 1fr) 210px;
    align-items: start;
  }
}
.post-layout .toc {
  order: -1;
}
@media (min-width: 1080px) {
  .post-layout .toc {
    order: 0;
    position: sticky;
    top: 92px;
  }
}
.toc {
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 16px 18px;
  margin-bottom: 8px;
}
.toc-head {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--muted);
  margin-bottom: 12px;
}
.toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 7px;
  counter-reset: toc;
}
.toc li {
  counter-increment: toc;
  font-size: 12.5px;
  line-height: 1.45;
  display: flex;
  gap: 8px;
}
.toc li::before {
  content: counter(toc, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 9px;
  color: var(--faint);
  padding-top: 3px;
  flex: 0 0 auto;
}
.toc a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.toc a:hover {
  color: var(--ink);
  background: var(--accent);
  border-bottom-color: transparent;
}
.toc .toc-l3 {
  padding-left: 14px;
  font-size: 12px;
}
@media (max-width: 640px) {
  .toc {
    padding: 12px 14px;
  }
  .toc li {
    font-size: 12px;
  }
}

/* 首页标签云入口 */
.tag-cloud--home {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag-cloud--home .tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  font-size: 12.5px;
}
.tag-cloud--home .tag-n {
  font-family: var(--mono);
  font-size: 9px;
  color: var(--faint);
  font-weight: 400;
}
.tag-cloud--home .tag:hover .tag-n {
  color: inherit;
}
.section--topics {
  border-top: 1px solid var(--line);
}

/* 后台：编辑器插图工具行 */
.editor-tools {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin: 8px 0 10px;
}
#p-body.is-drop {
  outline: 2px dashed var(--accent);
  outline-offset: -4px;
}
select.admin-filter {
  width: auto;
  padding: 8px 10px;
  font-size: 12px;
}

/* 灯箱：多图切换 */
.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 46px;
  height: 76px;
  display: grid;
  place-items: center;
  border: 0;
  background: rgba(255, 255, 255, 0.06);
  color: #f2f1ec;
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}
.lightbox-nav:hover,
.lightbox-nav:focus-visible {
  background: var(--accent);
  color: #0a0a0a;
  outline: none;
}
.lightbox-prev {
  left: 18px;
}
.lightbox-next {
  right: 18px;
}
.lightbox-count {
  position: absolute;
  right: 20px;
  bottom: 18px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: rgba(242, 241, 236, 0.72);
}
.lightbox figure img {
  max-height: 82vh;
}
@media (max-width: 640px) {
  .lightbox-nav {
    width: 38px;
    height: 60px;
    font-size: 22px;
  }
  .lightbox-prev {
    left: 8px;
  }
  .lightbox-next {
    right: 8px;
  }
}