/* ==========================================================
   Ethan · 个人网站
   风格：温暖手作感 / 纸张、钤印、慢慢说
   ========================================================== */

:root {
  --paper: #f3eee2;
  --paper-hi: #faf6ec;
  --ink: #2a2520;
  --ink-soft: #574d42;
  --muted: #7a6d5e;
  --line: rgba(42, 37, 32, 0.14);
  --line-strong: rgba(42, 37, 32, 0.28);
  --accent: #a34a2e;

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Songti SC", STSong,
    "Noto Serif SC", "Source Han Serif SC", serif;
  --sans: "Avenir Next", Avenir, "Helvetica Neue", "PingFang SC",
    "Hiragino Sans GB", sans-serif;
  --mono: "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --ease: cubic-bezier(0.22, 0.7, 0.24, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  margin: 0;
  background:
    radial-gradient(1100px 700px at 12% -8%, #fbf8f0 0%, rgba(251, 248, 240, 0) 62%),
    radial-gradient(900px 600px at 100% 10%, rgba(255, 252, 245, 0.75) 0%, rgba(255, 252, 245, 0) 55%),
    var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

main {
  flex: 1 0 auto;
}

/* 纸张颗粒 */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 90;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.78' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
}

::selection {
  background: var(--accent);
  color: var(--paper-hi);
}

h1,
h2,
h3,
p {
  margin: 0;
}

a {
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 2px;
}

.wrap {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: clamp(1.4rem, 6vw, 4.5rem);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 200;
  padding: 0.7rem 1.1rem;
  background: var(--ink);
  color: var(--paper-hi);
  font-family: var(--sans);
  font-size: 0.8rem;
  text-decoration: none;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

/* ==========================================================
   导航
   ========================================================== */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(243, 238, 226, 0.88);
  -webkit-backdrop-filter: blur(14px) saturate(1.1);
  backdrop-filter: blur(14px) saturate(1.1);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1.35rem;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  text-decoration: none;
  font-size: 1.18rem;
  letter-spacing: 0.01em;
}

.brand-dot {
  color: var(--accent);
}

.brand-sub {
  font-size: 0.9rem;
  color: var(--muted);
}

.nav-links {
  display: flex;
  align-items: baseline;
  gap: clamp(1rem, 2.4vw, 2.1rem);
}

.nav-links a {
  position: relative;
  padding-block: 0.35rem;
  text-decoration: none;
  font-family: var(--sans);
  font-size: 0.86rem;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  transition: color 0.3s var(--ease);
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}

.nav-links a:hover {
  color: var(--accent);
}

.nav-links a:hover::after {
  transform: scaleX(1);
}

/* ==========================================================
   首屏
   ========================================================== */

.hero {
  position: relative;
  min-height: min(92vh, 900px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: clamp(4rem, 10vh, 8rem) clamp(5rem, 12vh, 9rem);
}

.hero-inscription {
  margin-top: clamp(1.8rem, 4vw, 2.6rem);
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--muted);
  opacity: 0.85;
  user-select: none;
}

@media (min-width: 1100px) {
  .hero-inscription {
    position: absolute;
    right: clamp(1.4rem, 3.6vw, 3rem);
    top: 31%;
    margin: 0;
    writing-mode: vertical-rl;
    font-family: var(--serif);
    font-size: 0.92rem;
    letter-spacing: 0.3em;
    line-height: 2.2;
    opacity: 0.78;
  }
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 1.7rem;
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
}

.eyebrow .rule {
  display: inline-block;
  width: clamp(28px, 5vw, 58px);
  height: 1px;
  background: var(--line-strong);
}

.hero-name {
  display: flex;
  align-items: flex-start;
  gap: clamp(0.7rem, 1.8vw, 1.5rem);
}

.name-wrap {
  position: relative;
}

.hero-name h1 {
  margin: 0;
  font-size: clamp(4.4rem, 13.5vw, 10.5rem);
  font-weight: 400;
  line-height: 0.92;
  letter-spacing: -0.04em;
}

.scribble {
  position: absolute;
  left: 0.1em;
  bottom: -0.12em;
  width: 82%;
  height: auto;
  color: var(--accent);
  opacity: 0.55;
  overflow: visible;
  pointer-events: none;
}

.seal {
  display: inline-grid;
  place-items: center;
  width: clamp(2.3rem, 4.4vw, 3.3rem);
  height: clamp(2.3rem, 4.4vw, 3.3rem);
  margin-top: clamp(0.4rem, 1.2vw, 0.85rem);
  border-radius: 3px 6px 3px 5px / 4px 3px 6px 2px;
  background: var(--accent);
  color: #f8f1e4;
  font-size: clamp(1.1rem, 2.2vw, 1.6rem);
  line-height: 1;
  opacity: 0.92;
  transform: rotate(5deg);
  box-shadow: inset 0 0 0 1px rgba(248, 241, 228, 0.35),
    0 1px 0 rgba(42, 37, 32, 0.08);
  user-select: none;
}

.lede {
  max-width: 24em;
  margin-top: clamp(2.2rem, 4vw, 3.2rem);
  font-size: clamp(1.18rem, 2.2vw, 1.5rem);
  line-height: 1.95;
  color: var(--ink-soft);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem;
  margin-top: clamp(2rem, 4vw, 2.8rem);
  font-family: var(--sans);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.sep {
  color: var(--accent);
}

.scroll-cue {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin-top: clamp(2.8rem, 6vw, 4.5rem);
  font-family: var(--sans);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
  text-decoration: none;
}

.scroll-cue .scroll-arrow {
  display: inline-block;
  color: var(--accent);
  animation: nudge 2.6s ease-in-out infinite;
}

.scroll-cue:hover {
  color: var(--accent);
}

@keyframes nudge {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(4px);
  }
}

/* ==========================================================
   书页
   ========================================================== */

.shelf {
  padding-block: calc(clamp(3.5rem, 7vw, 5.5rem) - 0.9rem) clamp(5rem, 10vw, 8rem);
  border-top: 1px solid var(--line);
  scroll-margin-top: 6rem;
}

.shelf-head {
  position: sticky;
  top: var(--nav-h, 4.1rem);
  z-index: 20;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem 2rem;
  padding-block: 0.9rem;
  margin-bottom: calc(clamp(1.8rem, 4vw, 2.6rem) - 0.9rem);
}

.shelf-head.is-stuck {
  background: rgba(243, 238, 226, 0.96);
  -webkit-backdrop-filter: blur(12px) saturate(1.05);
  backdrop-filter: blur(12px) saturate(1.05);
  box-shadow: 0 1px 0 var(--line);
}

.shelf-title {
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: 0.1em;
}

.shelf-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.2rem;
  font-family: var(--sans);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
}

.cat {
  -webkit-appearance: none;
  appearance: none;
  padding: 0 0 0.18rem;
  border: 0;
  border-bottom: 1px solid transparent;
  background: none;
  color: var(--muted);
  font: inherit;
  letter-spacing: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.cat:hover {
  color: var(--accent);
}

.cat.is-active {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

.shelf-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.shelf-list li {
  border-bottom: 1px solid var(--line);
}

.shelf-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(1.1rem, 3vw, 2.2rem);
  padding: clamp(1.6rem, 3.2vw, 2.2rem) 0;
  color: inherit;
  text-decoration: none;
}

.shelf-item:not(.no-cover) {
  grid-template-columns: clamp(180px, 22vw, 220px) minmax(0, 1fr) auto;
}

.shelf-cover {
  display: block;
  width: 100%;
  aspect-ratio: 22 / 15;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--paper-hi);
}

.shelf-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.shelf-item:hover .shelf-cover img {
  transform: scale(1.03);
}

.shelf-text {
  min-width: 0;
}

.shelf-item-title {
  font-size: clamp(1.15rem, 2vw, 1.38rem);
  font-weight: 500;
  line-height: 1.6;
  letter-spacing: 0.01em;
  transition: color 0.3s var(--ease);
}

.shelf-summary {
  max-width: 38em;
  margin-top: 0.5rem;
  font-size: 0.93rem;
  line-height: 1.9;
  color: var(--muted);
}

.shelf-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  margin-top: 0.9rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.shelf-cat {
  font-family: var(--sans);
  letter-spacing: 0.1em;
  color: var(--ink-soft);
}

.shelf-arrow {
  justify-self: end;
  font-size: 1rem;
  line-height: 1;
  color: var(--accent);
  opacity: 0;
  transform: translate(-4px, 4px);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
}

.shelf-item:hover .shelf-item-title,
.shelf-item:hover .shelf-cat {
  color: var(--accent);
}

.shelf-item:hover .shelf-arrow {
  opacity: 1;
  transform: none;
}

.shelf-more {
  display: block;
  margin: 2rem auto 0;
  padding: 0.45rem 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: none;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  cursor: pointer;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.shelf-more:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.shelf-more[hidden] {
  display: none;
}

/* 空状态 */

.shelf-empty {
  padding: clamp(2.4rem, 5vw, 3.2rem) 0;
  border-top: 1px solid var(--line);
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--muted);
}

/* ==========================================================
   页脚
   ========================================================== */

.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 2rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  padding-block: 2.4rem 3rem;
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.footer-inner p {
  margin: 0;
}

.footer-note {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.35rem;
  text-align: right;
}

.footer-mail a {
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.footer-mail a:hover {
  color: var(--accent);
  border-bottom-color: currentColor;
}

/* ==========================================================
   入场动效
   ========================================================== */

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.js .animate-up {
  opacity: 0;
  animation: rise 0.9s var(--ease) forwards;
  animation-delay: var(--d, 0s);
}

.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}

.js .reveal.in {
  opacity: 1;
  transform: none;
}

/* ==========================================================
   文章页
   ========================================================== */

.article-shell {
  padding-block: clamp(2.5rem, 7vw, 5rem) clamp(4rem, 8vw, 7rem);
}

.article {
  max-width: 40rem;
  margin-inline: auto;
}

.article-head {
  padding-bottom: 2.4rem;
  border-bottom: 1px solid var(--line);
}

.article-running-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.2rem;
  margin-bottom: clamp(1.5rem, 4vw, 2.2rem);
}

.article-motto {
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.article-category {
  padding-bottom: 0.15rem;
  border-bottom: 1px solid transparent;
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--accent);
  text-decoration: none;
  transition: border-color 0.3s var(--ease);
}

.article-category:hover {
  border-bottom-color: var(--accent);
}

.article-kicker {
  margin-bottom: 1.4rem;
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
}

.article h1 {
  font-size: clamp(2rem, 4.6vw, 3.1rem);
  font-weight: 400;
  line-height: 1.45;
  letter-spacing: 0.01em;
  text-wrap: balance;
}

.article-meta {
  display: flex;
  gap: 0.7rem;
  margin-top: 1.5rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.article-body {
  padding-top: clamp(2rem, 4vw, 3rem);
}

.article-body p {
  margin-bottom: 1.7em;
  font-size: 1.05rem;
  line-height: 2.15;
  color: var(--ink-soft);
}

.article-body .article-lead {
  margin-bottom: 1.4em;
  font-size: clamp(1.2rem, 2vw, 1.4rem);
  line-height: 1.9;
  color: var(--ink);
}

.article-body blockquote {
  margin: 2.6em 0;
  padding: 0.2em 0 0.2em 1.6em;
  border-left: 2px solid var(--accent);
  font-size: 1.12rem;
  line-height: 1.95;
  color: var(--ink);
}

.article-body blockquote p {
  margin: 0;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
}

.article-body blockquote footer {
  margin-top: 0.7em;
  font-family: var(--sans);
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.article-body h2,
.article-body h3 {
  margin: 2.4em 0 0.9em;
  font-weight: 500;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.article-body h2 {
  font-size: 1.35rem;
}

.article-body h3 {
  font-size: 1.15rem;
}

.article-body ul,
.article-body ol {
  margin: 0 0 1.7em;
  padding-left: 1.4em;
  font-size: 1.05rem;
  line-height: 2.05;
  color: var(--ink-soft);
}

.article-body li + li {
  margin-top: 0.35em;
}

.article-body a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: border-color 0.3s var(--ease);
}

.article-body a:hover {
  border-bottom-color: var(--accent);
}

.article-body p > img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 2rem auto;
  padding: 0.5rem;
  border: 1px solid var(--line);
  background: #fffdf8;
}

.article-body code {
  padding: 0.12em 0.35em;
  border: 1px solid var(--line);
  background: var(--paper-hi);
  font-family: var(--mono);
  font-size: 0.88em;
}

.article-body pre {
  margin: 0 0 1.7em;
  padding: 1rem 1.2rem;
  border: 1px solid var(--line);
  background: var(--paper-hi);
  line-height: 1.7;
  overflow-x: auto;
}

.article-body pre code {
  padding: 0;
  border: 0;
  background: none;
  font-size: 0.82rem;
}

.article-figure {
  margin: 2.6rem 0;
}

.article-figure a {
  display: block;
  padding: 0.5rem;
  border: 1px solid var(--line);
  background: #fffdf8;
  transition: border-color 0.3s var(--ease);
}

.article-figure a:hover {
  border-color: var(--line-strong);
}

.article-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.article-figure figcaption {
  margin-top: 0.75rem;
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.signature {
  margin-top: 3.5rem;
  text-align: right;
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--ink);
}

.article-foot {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem 1.6rem;
  margin-top: 4rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line);
}

.back-link {
  font-family: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  text-decoration: none;
  transition: color 0.3s var(--ease);
}

.back-link:hover {
  color: var(--accent);
}

.article-links {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  font-family: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.article-links a {
  padding-bottom: 0.08em;
  border-bottom: 1px solid transparent;
  color: var(--ink-soft);
  text-decoration: none;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.article-links a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.article-pager {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: start;
  gap: 1.2rem 3rem;
  max-width: 34rem;
  margin: 3.4rem auto 0;
  text-align: center;
}

.pager-link,
.pager-placeholder {
  display: block;
  width: 100%;
  min-width: 0;
  color: inherit;
  text-decoration: none;
}

.pager-label {
  display: block;
  margin-bottom: 0.4rem;
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--accent);
}

.pager-title {
  display: block;
  max-width: 15em;
  margin-inline: auto;
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--ink-soft);
  overflow-wrap: anywhere;
  transition: color 0.3s var(--ease);
}

.pager-link:hover .pager-title {
  color: var(--accent);
}

.pager-placeholder .pager-label,
.pager-placeholder .pager-title {
  color: var(--muted);
}

.article-pager + .article-foot {
  margin-top: 2.2rem;
}

.contact-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: fit-content;
  max-width: 100%;
  margin: 0.4rem 0 0 auto;
}

.contact-qr {
  display: block;
  width: fit-content;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fffdf8;
}

.contact-qr img {
  display: block;
  width: 112px;
  height: 112px;
}

.contact-block .contact-links {
  margin: 0.55rem 0 0;
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.6;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.contact-block .contact-mail {
  margin: 0.1rem 0 0;
  font-family: var(--sans);
  font-size: 0.95rem;
  line-height: 1.6;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.contact-links a,
.contact-mail a {
  padding-bottom: 0.08em;
  border-bottom: 1px solid transparent;
  color: var(--ink-soft);
  text-decoration: none;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.contact-mail a {
  border-bottom-color: var(--line-strong);
}

.contact-links a:hover,
.contact-mail a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ==========================================================
   响应式
   ========================================================== */

@media (max-width: 900px) {
  .shelf-head {
    align-items: flex-start;
  }

  .shelf-cats {
    padding-top: 0.5rem;
  }
}

@media (max-width: 640px) {
  .nav-inner {
    padding-block: 1.1rem;
  }

  .nav-links {
    gap: 0.95rem;
  }

  .nav-links a {
    font-size: 0.8rem;
    letter-spacing: 0.08em;
  }

  .hero {
    min-height: auto;
    padding-block: clamp(3.5rem, 12vh, 6rem) 4.5rem;
  }

  .eyebrow {
    margin-bottom: 1.4rem;
    font-size: 0.64rem;
  }

  .seal {
    margin-top: 0.35rem;
  }

  .hero-inscription {
    margin-top: 1.6rem;
  }

  .scroll-cue {
    margin-top: 2rem;
  }

  .shelf {
    padding-block: 3rem 4.5rem;
  }

  .shelf-head {
    margin-bottom: 1.6rem;
    gap: 0.6rem;
  }

  .shelf-title {
    font-size: 1.55rem;
  }

  .shelf-cats {
    padding-top: 0;
    font-size: 0.7rem;
  }

  .shelf-item,
  .shelf-item:not(.no-cover) {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 1rem;
  }

  .shelf-item:not(.no-cover) {
    grid-template-columns: 96px minmax(0, 1fr) auto;
  }

  .shelf-cover {
    width: 96px;
    height: 96px;
    aspect-ratio: auto;
  }

  .shelf-item-title {
    font-size: 1.1rem;
  }

  .shelf-summary {
    margin-top: 0.4rem;
    font-size: 0.88rem;
    line-height: 1.8;
  }

  .shelf-meta {
    gap: 0.45rem;
    margin-top: 0.7rem;
    font-size: 0.64rem;
  }

  .shelf-arrow {
    opacity: 0.75;
    transform: none;
  }

  .article-shell {
    padding-block: 2.5rem 4rem;
  }

  .article-running-head {
    margin-bottom: 1.4rem;
  }

  .article-motto {
    font-size: 0.64rem;
    letter-spacing: 0.16em;
  }

  .article-category {
    font-size: 0.64rem;
  }

  .article-meta {
    gap: 0.5rem;
    font-size: 0.66rem;
  }

  .article-body p {
    font-size: 1rem;
    line-height: 2.05;
  }

  .article-pager {
    gap: 1.1rem 1.6rem;
    margin-top: 2.6rem;
  }

  .pager-title {
    font-size: 0.94rem;
  }

  .footer-inner {
    flex-direction: column;
    gap: 0.6rem;
    padding-block: 2rem 2.5rem;
  }

  .footer-note {
    align-items: flex-start;
    text-align: left;
  }
}

@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;
  }

  .js .reveal,
  .js .animate-up {
    opacity: 1;
    transform: none;
  }
}