.masthead {
  position: sticky;
  top: 0;
  z-index: 800;
  backdrop-filter: blur(12px);
  transition:
    background-color var(--duration-fast) var(--ease-smooth-out),
    box-shadow var(--duration-fast) var(--ease-smooth-out);
}

.masthead .masthead-inner {
  gap: 14px;
  padding-top: 11px;
  padding-bottom: 11px;
}

.masthead .brand {
  gap: 7px;
  font-size: 17px;
}

.masthead .brand img {
  width: 24px;
  height: 24px;
  border-radius: 6px;
}

:root {
  --duration-quick: 150ms;
  --duration-fast: 250ms;
  --duration-medium: 350ms;
  --duration-very-slow: 500ms;
  --ease-smooth-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: ease-out;
  --distance-base: 8px;
  --scale-small: 0.98;
  --digit-dur: 500ms;
  --digit-distance: 8px;
  --digit-stagger: 44ms;
  --digit-blur: 2px;
  --digit-ease: cubic-bezier(0.34, 1.45, 0.64, 1);
  --digit-dir-x: 0;
  --digit-dir-y: -1;
}

.site-nav {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
  min-width: 0;
  transition:
    gap var(--duration-fast) var(--ease-smooth-out),
    transform var(--duration-fast) var(--ease-smooth-out);
}

.site-nav:has(.scoreboard) {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  justify-content: stretch;
}

.site-nav .scoreboard {
  flex: 0 1 500px;
  justify-self: center;
}

.site-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: max-content;
}

.brand {
  flex-shrink: 0;
  white-space: nowrap;
}

.site-current-title {
  display: block;
  max-width: 0;
  min-width: 0;
  overflow: hidden;
  color: var(--ink, #171717);
  font-size: 15px;
  font-weight: 850;
  line-height: 1.25;
  opacity: 0;
  pointer-events: none;
  text-overflow: ellipsis;
  transform: translateY(8px) scale(0.98);
  transform-origin: left center;
  transition:
    max-width var(--duration-medium) var(--ease-smooth-out),
    opacity var(--duration-fast) var(--ease-smooth-out),
    transform var(--duration-fast) var(--ease-smooth-out);
  white-space: nowrap;
}

.site-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 7px 12px;
  border: 1px solid var(--line, #ded8d1);
  border-radius: var(--radius, 8px);
  background: rgba(255, 253, 250, 0.7);
  color: var(--ink, #171717);
  font: inherit;
  font-size: 14px;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition:
    border-color var(--duration-quick) var(--ease-smooth-out),
    background-color var(--duration-quick) var(--ease-smooth-out),
    box-shadow var(--duration-quick) var(--ease-smooth-out),
    transform var(--duration-quick) var(--ease-smooth-out);
}

.site-action__icon {
  margin-right: 5px;
  font-size: 15px;
  line-height: 1;
}

.site-action:hover {
  border-color: #e7a082;
  transform: translateY(-1px);
}

.site-action.primary {
  border-color: var(--accent, #d5532f);
  background: var(--accent, #d5532f);
  color: #fffdfa;
  font-weight: 700;
}

.site-action.primary:hover {
  box-shadow: 0 8px 18px rgba(213, 83, 47, 0.18);
}

.site-reads {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  min-height: 36px;
  padding: 7px 10px;
  border: 1px solid rgba(222, 216, 209, 0.78);
  border-radius: var(--radius, 8px);
  background: rgba(255, 253, 250, 0.52);
  color: var(--muted, #68625d);
  font-size: 13px;
  line-height: 1.2;
  white-space: nowrap;
  transition:
    border-color var(--duration-fast) var(--ease-smooth-out),
    background-color var(--duration-fast) var(--ease-smooth-out),
    box-shadow var(--duration-fast) var(--ease-smooth-out);
}

.site-reads__count {
  display: inline-flex;
  align-items: baseline;
  min-width: 1.2ch;
  color: var(--ink, #171717);
  font-variant-numeric: tabular-nums;
  font-weight: 750;
}

.site-reads__unit {
  color: var(--muted, #68625d);
}

.site-reads__note {
  display: none;
}

.site-reads.is-counting {
  border-color: rgba(213, 83, 47, 0.46);
  background: #fff7ee;
  box-shadow: 0 0 0 3px rgba(213, 83, 47, 0.08);
}

.site-reads.is-pending .site-reads__unit {
  display: none;
}

.scoreboard {
  --score-cap: #243129;
  --score-cream: #fff3df;
  --score-cream-deep: #ead8bd;
  --score-line: rgba(112, 78, 48, 0.34);
  --score-red: #c94d31;
  --score-green: #273b32;
  position: relative;
  isolation: isolate;
  display: grid;
  gap: 2px;
  width: min(100%, 360px);
  min-width: min(100%, 260px);
  padding: 4px 22px 3px;
  border: 1px solid rgba(146, 109, 66, 0.38);
  border-radius: 14px;
  background:
    radial-gradient(circle at 18% 20%, rgba(255, 255, 255, 0.82) 0 1px, transparent 1.7px),
    radial-gradient(circle at 78% 82%, rgba(99, 70, 43, 0.08) 0 1px, transparent 1.8px),
    linear-gradient(180deg, #fff9ee 0%, var(--score-cream) 54%, #f5e4ca 100%);
  box-shadow:
    0 8px 18px rgba(72, 49, 29, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.88),
    inset 0 -2px 0 rgba(96, 58, 31, 0.12);
  transition:
    width var(--duration-medium) var(--ease-smooth-out),
    min-width var(--duration-medium) var(--ease-smooth-out),
    padding var(--duration-medium) var(--ease-smooth-out),
    border-radius var(--duration-medium) var(--ease-smooth-out),
    box-shadow var(--duration-medium) var(--ease-smooth-out),
    transform var(--duration-medium) var(--ease-smooth-out);
}

.scoreboard::before,
.scoreboard::after {
  content: "";
  position: absolute;
  z-index: -1;
  top: -1px;
  bottom: -1px;
  width: 20px;
  border: 1px solid rgba(22, 29, 24, 0.42);
  background:
    radial-gradient(circle at 50% 23%, #f7d18b 0 2px, #745126 2.5px 3.8px, transparent 4.2px),
    radial-gradient(circle at 50% 77%, #f7d18b 0 2px, #745126 2.5px 3.8px, transparent 4.2px),
    linear-gradient(135deg, rgba(255, 255, 255, 0.1), transparent 26%),
    var(--score-cap);
  box-shadow:
    inset 1px 0 0 rgba(255, 255, 255, 0.12),
    inset -1px 0 0 rgba(0, 0, 0, 0.18);
}

.scoreboard::before {
  left: 0;
  border-radius: 14px 0 0 14px;
}

.scoreboard::after {
  right: 0;
  border-radius: 0 14px 14px 0;
}

.scoreboard__panels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  min-width: 0;
}

.scoreboard__panel {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 2px;
  min-width: 0;
  padding: 0 12px;
}

.scoreboard__panel:first-child {
  padding-left: 0;
}

.scoreboard__panel:last-child {
  padding-right: 0;
}

.scoreboard__panel + .scoreboard__panel {
  border-left: 1px solid var(--score-line);
}

.scoreboard__label {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 4px;
  width: min(100%, 96px);
  color: var(--score-green);
  font-size: 10px;
  font-weight: 900;
  line-height: 1.1;
  white-space: nowrap;
}

.scoreboard__label::after {
  content: "";
  width: 100%;
  height: 4px;
  background:
    radial-gradient(circle at 50% 50%, var(--score-red) 0 2.8px, transparent 3.2px),
    linear-gradient(90deg, transparent 0 4%, rgba(130, 91, 52, 0.3) 4% 45%, transparent 45% 55%, rgba(130, 91, 52, 0.3) 55% 96%, transparent 96%);
}

.scoreboard__value {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 23px;
  color: var(--score-red);
  font-size: 21px;
  font-variant-numeric: tabular-nums;
  font-weight: 940;
  letter-spacing: 0;
  line-height: 1;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.72), 0 2px 0 rgba(116, 54, 31, 0.18);
}

.scoreboard__panel[data-score-metric="total"] .scoreboard__value {
  color: var(--score-green);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.7), 0 2px 0 rgba(39, 59, 50, 0.16);
}

.scoreboard__value .t-digit-group {
  gap: 1px;
  perspective: 520px;
}

.scoreboard__value .t-digit {
  position: relative;
  display: inline-grid;
  place-items: center;
  min-width: 0.72em;
  height: 1.12em;
  border: 1px solid rgba(79, 55, 33, 0.42);
  border-radius: 4px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 247, 230, 0.72) 48%, rgba(217, 193, 154, 0.42) 50%, rgba(255, 244, 222, 0.86)),
    #fbecd2;
  box-shadow:
    0 2px 0 rgba(44, 29, 18, 0.64),
    0 5px 10px rgba(63, 40, 24, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.96),
    inset 0 -1px 0 rgba(72, 47, 27, 0.16);
  transform-origin: 50% 50%;
  backface-visibility: hidden;
}

.scoreboard__value .t-digit::before,
.scoreboard__value .t-digit::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.scoreboard__value .t-digit::before {
  left: -3px;
  right: -3px;
  top: 50%;
  height: 1px;
  background: rgba(80, 54, 34, 0.3);
}

.scoreboard__value .t-digit::after {
  left: -2px;
  right: -2px;
  top: calc(50% - 2px);
  height: 4px;
  background:
    radial-gradient(circle at left center, #2f2419 0 1.4px, transparent 1.8px),
    radial-gradient(circle at right center, #2f2419 0 1.4px, transparent 1.8px);
}

.scoreboard__value .t-digit.is-separator {
  min-width: 0.28em;
  border: 0;
  background: transparent;
  box-shadow: none;
  transform: translateY(0.08em);
}

.scoreboard__value .t-digit.is-separator::before,
.scoreboard__value .t-digit.is-separator::after {
  content: none;
}

.scoreboard__value .t-digit-group.is-animating .t-digit {
  animation: score-flip-in 620ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.scoreboard__meta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 7px;
  color: rgba(39, 59, 50, 0.78);
  font-size: 9px;
  font-weight: 760;
  line-height: 1.2;
  text-align: center;
}

.scoreboard__meta strong {
  color: var(--ink, #171717);
  font-variant-numeric: tabular-nums;
  font-weight: 920;
}

.scoreboard__date {
  color: rgba(110, 101, 91, 0.88);
  white-space: nowrap;
}

.scoreboard__date:empty {
  display: none;
}

.scoreboard.is-counting {
  border-color: rgba(175, 96, 50, 0.62);
  box-shadow:
    0 0 0 3px rgba(213, 83, 47, 0.08),
    0 18px 40px rgba(72, 49, 29, 0.16),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.scoreboard__panel.is-counting .scoreboard__label {
  color: var(--accent-dark, #9f321d);
}

body.has-compact-masthead .masthead {
  background: rgba(247, 245, 242, 0.96);
  box-shadow: 0 8px 24px rgba(58, 42, 29, 0.08);
}

body.has-compact-masthead .masthead-inner {
  display: grid;
  grid-template-columns: auto minmax(180px, 1fr) auto;
  align-items: center;
  gap: 12px;
  width: min(1280px, calc(100% - 48px));
  padding-top: 6px;
  padding-bottom: 6px;
}

body.has-compact-masthead .site-current-title {
  max-width: min(48vw, 620px);
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

body.has-compact-masthead .site-nav:has(.scoreboard) {
  grid-template-columns: auto auto;
  justify-self: end;
  gap: 8px;
}

body.has-compact-masthead .site-actions {
  gap: 8px;
}

body.has-compact-masthead .site-action {
  min-height: 32px;
  padding: 6px 10px;
  font-size: 13px;
}

body.has-compact-masthead .site-nav .scoreboard {
  width: min(28vw, 280px);
  min-width: 230px;
  padding: 3px 18px 2px;
  border-radius: 12px;
  box-shadow:
    0 7px 16px rgba(72, 49, 29, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.88),
    inset 0 -1px 0 rgba(96, 58, 31, 0.1);
}

body.has-compact-masthead .site-nav .scoreboard::before,
body.has-compact-masthead .site-nav .scoreboard::after {
  width: 14px;
  border-radius: 12px 0 0 12px;
}

body.has-compact-masthead .site-nav .scoreboard::after {
  border-radius: 0 12px 12px 0;
}

body.has-compact-masthead .scoreboard__panel {
  gap: 1px;
  padding: 0 7px;
}

body.has-compact-masthead .scoreboard__label {
  width: min(100%, 82px);
  font-size: 8.5px;
}

body.has-compact-masthead .scoreboard__label::after {
  height: 4px;
  background:
    radial-gradient(circle at 50% 50%, var(--score-red) 0 2px, transparent 2.3px),
    linear-gradient(90deg, transparent 0 6%, rgba(130, 91, 52, 0.26) 6% 45%, transparent 45% 55%, rgba(130, 91, 52, 0.26) 55% 94%, transparent 94%);
}

body.has-compact-masthead .scoreboard__value {
  min-height: 18px;
  font-size: 16px;
}

body.has-compact-masthead .scoreboard__value .t-digit {
  border-radius: 3px;
  box-shadow:
    0 1px 0 rgba(44, 29, 18, 0.56),
    0 3px 7px rgba(63, 40, 24, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.96),
    inset 0 -1px 0 rgba(72, 47, 27, 0.14);
}

body.has-compact-masthead .scoreboard__meta {
  gap: 5px;
  font-size: 9px;
}

body.has-compact-masthead .scoreboard__date {
  display: none;
}

@keyframes score-flip-in {
  0% {
    transform: rotateX(-82deg) translateY(-1px);
    filter: brightness(0.82);
  }

  56% {
    transform: rotateX(8deg) translateY(0);
    filter: brightness(1.08);
  }

  100% {
    transform: rotateX(0deg) translateY(0);
    filter: brightness(1);
  }
}

.article-card__views.is-counting {
  color: var(--accent-dark, #9f321d);
}

@keyframes t-digit-pop-in {
  0% {
    transform: translate(
      calc(var(--digit-distance) * var(--digit-dir-x)),
      calc(var(--digit-distance) * var(--digit-dir-y))
    );
    opacity: 0;
    filter: blur(var(--digit-blur));
  }

  100% {
    transform: translate(0, 0);
    opacity: 1;
    filter: blur(0);
  }
}

.t-digit-group {
  display: inline-flex;
  align-items: baseline;
}

.t-digit {
  display: inline-block;
  will-change: transform, opacity, filter;
}

.t-digit-group.is-animating .t-digit {
  animation: t-digit-pop-in var(--digit-dur) var(--digit-ease) both;
}

.t-digit-group.is-animating .t-digit[data-stagger="1"] {
  animation-delay: var(--digit-stagger);
}

.t-digit-group.is-animating .t-digit[data-stagger="2"] {
  animation-delay: calc(var(--digit-stagger) * 2);
}

@keyframes view-count-bump {
  0% {
    transform: translate(-50%, 8px) scale(0.92);
    opacity: 0;
    filter: blur(2px);
  }

  18% {
    opacity: 1;
    filter: blur(0);
  }

  100% {
    transform: translate(-50%, -18px) scale(1);
    opacity: 0;
    filter: blur(0);
  }
}

.view-count-bump {
  position: absolute;
  left: 50%;
  top: -20px;
  z-index: 1;
  padding: 2px 7px;
  border-radius: 999px;
  background: #d5532f;
  color: #fffdfa;
  font-size: 12px;
  font-weight: 850;
  line-height: 1.35;
  pointer-events: none;
  white-space: nowrap;
  animation: view-count-bump 980ms var(--ease-smooth-out) both;
  will-change: transform, opacity, filter;
}

.share-toast {
  position: fixed;
  left: 50%;
  bottom: 18px;
  z-index: 1100;
  display: block;
  transform: translate(-50%, var(--distance-base));
  opacity: 0;
  pointer-events: none;
  padding: 9px 12px;
  border-radius: var(--radius, 8px);
  background: rgba(23, 23, 23, 0.9);
  color: #fffdfa;
  font-size: 14px;
  transition:
    opacity var(--duration-medium) var(--ease-smooth-out),
    transform var(--duration-medium) var(--ease-smooth-out);
  will-change: transform, opacity;
}

.share-toast.is-visible {
  transform: translate(-50%, 0);
  opacity: 1;
}

.ai-related {
  margin-top: 42px;
  padding-top: 18px;
  border-top: 1px solid var(--line, #ded8d1);
}

.ai-related__title {
  margin: 0 0 12px;
  color: var(--accent, #d5532f);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.35;
}

.ai-related__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.ai-related__item + .ai-related__item {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--line, #ded8d1);
}

.ai-related__item a {
  color: var(--ink, #171717);
  font-size: 14px;
  font-weight: 750;
  line-height: 1.38;
  text-decoration: none;
  transition: color var(--duration-quick) var(--ease-smooth-out);
}

.ai-related__item a:hover {
  color: var(--accent-dark, #9f321d);
}

.ai-related__reason {
  margin: 4px 0 0;
  color: var(--muted, #68625d);
  font-size: 12px;
  line-height: 1.45;
}

.ai-related__score {
  display: none;
  align-items: center;
  min-height: 22px;
  padding: 2px 7px;
  border-radius: 999px;
  background: #fff2e4;
  color: var(--accent-dark, #9f321d);
  font-size: 12px;
  font-weight: 750;
}

@media (max-width: 700px) {
  .masthead-inner {
    gap: 8px;
    flex-wrap: wrap;
    align-items: flex-start;
  }

  .site-nav {
    width: 100%;
    gap: 7px;
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .site-nav:has(.scoreboard) {
    grid-template-columns: 1fr;
    justify-content: stretch;
  }

  .site-action {
    min-height: 32px;
    padding: 5px 7px;
    font-size: 12px;
  }

  .site-action__icon {
    margin-right: 3px;
    font-size: 13px;
  }

  .site-reads {
    min-height: 32px;
    padding: 5px 6px;
    gap: 3px;
    font-size: 12px;
  }

  .site-reads__label {
    display: none;
  }

  .site-reads::before {
    content: "浏览量";
  }

  .site-nav .scoreboard {
    order: 3;
    flex: 1 0 100%;
    width: 100%;
    min-width: 0;
    padding: 5px 18px 4px;
    border-radius: 16px;
  }

  .site-nav .scoreboard::before,
  .site-nav .scoreboard::after {
    width: 16px;
    border-radius: 16px 0 0 16px;
  }

  .site-nav .scoreboard::after {
    border-radius: 0 16px 16px 0;
  }

  .scoreboard__panel {
    gap: 2px;
    padding: 0 10px;
  }

  .scoreboard__label {
    width: min(100%, 96px);
    font-size: 9.5px;
  }

  .scoreboard__label::after {
    height: 5px;
  }

  .scoreboard__value {
    min-height: 22px;
    font-size: clamp(18px, 5.6vw, 22px);
  }

  .scoreboard__value .t-digit-group {
    gap: 1px;
  }

  .scoreboard__meta {
    flex-wrap: wrap;
    gap: 4px 8px;
    font-size: 9px;
  }

  body.has-compact-masthead .masthead-inner {
    grid-template-columns: auto minmax(0, 1fr);
    width: min(100% - 22px, 1120px);
    gap: 8px;
    padding-top: 7px;
    padding-bottom: 7px;
  }

  body.has-compact-masthead .site-current-title {
    grid-column: 2;
    max-width: calc(100vw - 192px);
    font-size: 13px;
    opacity: 1;
    transform: translateY(0) scale(1);
    transition: none;
  }

  body.has-compact-masthead .site-nav {
    grid-column: 1 / -1;
    width: 100%;
  }

  body.has-compact-masthead .site-nav:has(.scoreboard) {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  body.has-compact-masthead .site-actions {
    display: none;
  }

  body.has-compact-masthead .site-nav .scoreboard {
    width: 100%;
    min-width: 0;
    padding: 4px 18px 3px;
  }

  body.has-compact-masthead .scoreboard__label {
    font-size: 8.5px;
  }

  body.has-compact-masthead .scoreboard__value {
    min-height: 18px;
    font-size: clamp(15px, 5vw, 18px);
  }

  body.has-compact-masthead .scoreboard__meta {
    display: none;
  }
}

@media (max-width: 340px) {
  .site-nav .site-action[href] {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-action,
  .site-reads,
  .site-current-title,
  .site-nav,
  .scoreboard,
  .share-toast,
  .ai-related__item a,
  .article-card__views {
    transition: none !important;
  }

  .site-action:hover {
    transform: none;
  }

  .t-digit-group .t-digit,
  .scoreboard__value .t-digit-group.is-animating .t-digit,
  .view-count-bump {
    animation: none !important;
  }

  .view-count-bump {
    display: none;
  }
}