/* ============================================================
   NEWZERO — 设计系统
   黑白纸感 + 一点朱红；衬线做标题，无衬线做正文，等宽做标签
   ============================================================ */

/* ---------- 1. Tokens ---------- */
:root {
  --paper: #f2efe9;
  --paper-2: #eae6dd;
  --ink: #14140f;
  --ink-soft: #3a3932;
  --muted: #6e6c63;
  --line: rgba(20, 20, 15, 0.14);
  --line-strong: rgba(20, 20, 15, 0.32);
  --accent: #e03c0c;

  --font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia,
    "Source Han Serif SC", "Noto Serif SC", "Songti SC", "STSong", SimSun, serif;
  --font-sans: "Inter", ui-sans-serif, -apple-system, "Segoe UI", Roboto,
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", Menlo,
    Consolas, "Liberation Mono", monospace;

  --pad: clamp(1.25rem, 4vw, 4rem);
  --maxw: 1180px;
  --radius: 2px;
}

html[data-theme="dark"] {
  --paper: #121210;
  --paper-2: #1a1a17;
  --ink: #f0ece4;
  --ink-soft: #d6d2c8;
  --muted: #8f8c82;
  --line: rgba(240, 236, 228, 0.16);
  --line-strong: rgba(240, 236, 228, 0.4);
  --accent: #ff5a24;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #121210;
    --paper-2: #1a1a17;
    --ink: #f0ece4;
    --ink-soft: #d6d2c8;
    --muted: #8f8c82;
    --line: rgba(240, 236, 228, 0.16);
    --line-strong: rgba(240, 236, 228, 0.4);
    --accent: #ff5a24;
  }
}

/* ---------- 2. 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(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  font-feature-settings: "kern", "liga";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color 0.3s ease, color 0.3s ease;
}

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

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

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ---------- 3. Layout ---------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--pad);
}

main {
  display: block;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 0.6rem 1rem;
  z-index: 999;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

/* ---------- 4. Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease;
}
.site-header.is-scrolled {
  border-bottom-color: var(--line);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
}
.brand__mark {
  width: 15px;
  height: 15px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  position: relative;
  flex: none;
  transition: transform 0.6s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.brand__mark::after {
  content: "";
  position: absolute;
  inset: 4.5px;
  background: var(--accent);
  border-radius: 50%;
}
.brand:hover .brand__mark {
  transform: rotate(180deg);
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2.25rem);
}
.nav a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  padding-block: 0.35rem;
  position: relative;
  transition: color 0.2s ease;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--ink);
}
.nav a:hover::after,
.nav a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.theme-toggle {
  appearance: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, transform 0.4s ease;
  flex: none;
}
.theme-toggle:hover {
  color: var(--ink);
  border-color: var(--line-strong);
  transform: rotate(20deg);
}
.theme-toggle svg {
  width: 14px;
  height: 14px;
}
.theme-toggle .i-moon {
  display: none;
}
html[data-theme="dark"] .theme-toggle .i-sun {
  display: none;
}
html[data-theme="dark"] .theme-toggle .i-moon {
  display: block;
}

/* ---------- 5. Type helpers ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--accent);
  flex: none;
}

.display {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 0.86;
  letter-spacing: -0.035em;
  margin: 0;
  text-wrap: balance;
}
.display--outline {
  color: transparent;
  -webkit-text-stroke: 1.5px var(--ink);
  text-stroke: 1.5px var(--ink);
}

.serif {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.01em;
}

.lede {
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2.4vw, 1.85rem);
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--ink-soft);
  max-width: 34ch;
  margin: 0;
  text-wrap: pretty;
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- 6. Hero ---------- */
.hero {
  padding-block: clamp(3rem, 9vw, 7rem) clamp(3.5rem, 8vw, 6rem);
  position: relative;
}
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: end;
}
.hero h1 {
  font-size: clamp(3.4rem, 13.5vw, 10.5rem);
}
.hero h1 span {
  display: block;
}
.hero__body {
  display: flex;
  flex-direction: column;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  margin-top: clamp(1.75rem, 4vw, 3rem);
  max-width: 46rem;
}

.hero__meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  border-top: 1px solid var(--line);
  padding-top: 1.1rem;
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
}
.hero__meta dt {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.3rem;
}
.hero__meta dd {
  margin: 0;
  font-size: 0.92rem;
}

/* 右侧旋转圆环 */
.hero__ring {
  width: clamp(80px, 10vw, 132px);
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px dashed var(--line-strong);
  display: grid;
  place-items: center;
  position: relative;
  animation: spin 32s linear infinite;
  margin-bottom: 0.6rem;
}
.hero__ring::before {
  content: "";
  width: 42%;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid var(--ink);
}
.hero__ring::after {
  content: "";
  position: absolute;
  top: -3px;
  left: 50%;
  width: 6px;
  height: 6px;
  margin-left: -3px;
  border-radius: 50%;
  background: var(--accent);
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ---------- 7. Sections ---------- */
.section {
  padding-block: clamp(3rem, 7vw, 6rem);
  border-top: 1px solid var(--line);
}
.section__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: clamp(1.75rem, 4vw, 3rem);
}
.section__title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin: 0;
  font-weight: 500;
}
.section__title b {
  color: var(--accent);
  font-weight: 500;
}
.section__more {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}
.section__more:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* ---------- 8. Work grid ---------- */
.work-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.work-card {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: clamp(1.25rem, 2.6vw, 2rem);
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  min-height: 240px;
  position: relative;
  transition: background-color 0.4s cubic-bezier(0.2, 0.7, 0.2, 1),
    color 0.4s ease;
}
.work-card:hover {
  background: var(--ink);
  color: var(--paper);
}
/* 奇数个作品时，最后一张铺满整行，并改为横向排版 */
.work-card:last-child:nth-child(odd) {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  grid-template-rows: auto auto 1fr;
  column-gap: clamp(2rem, 5vw, 4rem);
  row-gap: 0.9rem;
}
.work-card:last-child:nth-child(odd) .work-card__top {
  grid-column: 1 / -1;
}
.work-card:last-child:nth-child(odd) .work-card__title {
  grid-column: 1;
  grid-row: 2;
}
.work-card:last-child:nth-child(odd) .work-card__desc {
  grid-column: 2;
  grid-row: 2 / span 2;
  align-self: start;
  max-width: 40ch;
  margin-top: 0.4rem;
}
.work-card:last-child:nth-child(odd) .work-card__tags {
  grid-column: 1;
  grid-row: 3;
  align-self: end;
}
.work-card:hover .work-card__meta,
.work-card:hover .work-card__desc {
  color: color-mix(in srgb, var(--paper) 70%, transparent);
}
.work-card__top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.work-card__title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}
.work-card__desc {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  max-width: 38ch;
  transition: color 0.3s ease;
}
.work-card__tags {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--line);
  padding: 0.2rem 0.45rem;
  color: var(--muted);
  transition: border-color 0.3s ease, color 0.3s ease;
}
.work-card:hover .tag {
  border-color: color-mix(in srgb, var(--paper) 30%, transparent);
  color: color-mix(in srgb, var(--paper) 75%, transparent);
}
.work-card__arrow {
  position: absolute;
  right: clamp(1.25rem, 2.6vw, 2rem);
  bottom: clamp(1.25rem, 2.6vw, 2rem);
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.work-card:hover .work-card__arrow {
  opacity: 1;
  transform: none;
}

/* ---------- 9. Writing list ---------- */
.post-list {
  border-top: 1px solid var(--line);
}
.post-row {
  display: grid;
  grid-template-columns: 7.5rem minmax(0, 1fr) auto;
  gap: 1.5rem;
  align-items: baseline;
  padding-block: 1.15rem;
  border-bottom: 1px solid var(--line);
  transition: padding-left 0.3s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.post-row:hover {
  padding-left: 0.5rem;
}
.post-row:hover .post-row__title {
  color: var(--accent);
}
.post-row__date {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  white-space: nowrap;
}
.post-row__title {
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  transition: color 0.25s ease;
}
.post-row__meta {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

/* ---------- 10. Contact ---------- */
.contact {
  padding-block: clamp(3.5rem, 9vw, 7rem);
  border-top: 1px solid var(--line);
}
.contact__mail {
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 6.5vw, 4.6rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  display: inline-block;
  position: relative;
  margin-block: 1.25rem 2rem;
  word-break: break-word;
}
.contact__mail::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0.06em;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.5s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.contact__mail:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}
.socials {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 2rem;
}
.socials a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.2s ease;
}
.socials a:hover {
  color: var(--ink);
}

/* ---------- 11. About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 5rem);
}
.facts {
  margin: 0;
  border-top: 1px solid var(--line);
}
.facts > div {
  display: grid;
  grid-template-columns: 6.5rem minmax(0, 1fr);
  gap: 1rem;
  padding-block: 0.85rem;
  border-bottom: 1px solid var(--line);
}
.facts dt {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: 0.2rem;
}
.facts dd {
  margin: 0;
  font-size: 0.92rem;
}

/* ---------- 12. Prose (文章正文) ---------- */
.prose {
  max-width: 42rem;
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--ink-soft);
}
.prose > * + * {
  margin-top: 1.35em;
}
.prose h2 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-top: 2.2em;
}
.prose h3 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink);
  margin-top: 2em;
}
.prose a {
  color: var(--ink);
  border-bottom: 1px solid var(--accent);
  transition: background-color 0.2s ease;
}
.prose a:hover {
  background: color-mix(in srgb, var(--accent) 14%, transparent);
}
.prose strong {
  color: var(--ink);
  font-weight: 600;
}
.prose ul,
.prose ol {
  padding-left: 1.25rem;
}
.prose li + li {
  margin-top: 0.4em;
}
.prose li::marker {
  color: var(--accent);
}
.prose blockquote {
  margin-inline: 0;
  padding: 0.2em 0 0.2em 1.25em;
  border-left: 2px solid var(--accent);
  font-family: var(--font-serif);
  font-size: 1.2em;
  line-height: 1.5;
  color: var(--ink);
}
.prose blockquote p {
  margin: 0;
}
.prose code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  background: color-mix(in srgb, var(--ink) 7%, transparent);
  border: 1px solid var(--line);
  padding: 0.1em 0.35em;
  border-radius: var(--radius);
}
.prose pre {
  background: var(--paper-2);
  border: 1px solid var(--line);
  padding: 1.1rem 1.2rem;
  overflow-x: auto;
  font-size: 0.85rem;
  line-height: 1.6;
  border-radius: var(--radius);
}
.prose pre code {
  background: none;
  border: 0;
  padding: 0;
  font-size: inherit;
}
.prose img {
  border: 1px solid var(--line);
}
.prose hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin-block: 2.5em;
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
.prose th,
.prose td {
  border-bottom: 1px solid var(--line);
  padding: 0.55rem 0.7rem;
  text-align: left;
}
.prose th {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
}

/* ---------- 13. Page header (内页) ---------- */
.page-head {
  padding-block: clamp(2.5rem, 7vw, 5rem) clamp(1.5rem, 4vw, 2.5rem);
  border-bottom: 1px solid var(--line);
}
.page-head h1 {
  font-size: clamp(2.4rem, 8vw, 5.5rem);
  margin-block: 0.85rem 0.5rem;
}
.page-head__sub {
  color: var(--muted);
  max-width: 52ch;
  margin: 0.5rem 0 0;
  font-size: 1rem;
}
.page-body {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.back {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.2s ease, gap 0.2s ease;
}
.back:hover {
  color: var(--accent);
  gap: 0.8rem;
}

/* ---------- 14. Article ---------- */
.article-head {
  padding-block: clamp(2.5rem, 6vw, 4.5rem) clamp(1.5rem, 4vw, 2.5rem);
  border-bottom: 1px solid var(--line);
}
.article-head h1 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(2rem, 5.5vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin-block: 0.8rem 1rem;
  text-wrap: balance;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.article-foot {
  margin-top: clamp(2.5rem, 6vw, 4rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: baseline;
}

/* 正文 + 右侧信息栏 */
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 13rem;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}
.article-aside {
  position: sticky;
  top: 96px;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}
.article-aside .facts > div {
  grid-template-columns: 4.25rem minmax(0, 1fr);
  gap: 0.75rem;
}
.article-aside .facts dd a {
  border-bottom: 1px solid var(--line-strong);
}
.article-aside .facts dd a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

@media (max-width: 900px) {
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-aside {
    position: static;
    order: -1;
  }
}

/* ---------- 15. Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 2rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  align-items: center;
}
.site-footer a:hover {
  color: var(--accent);
}
.site-footer__dot {
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 0.5rem;
  vertical-align: middle;
}

/* ---------- 16. 404 ---------- */
.notfound {
  min-height: 62vh;
  display: grid;
  place-content: center;
  text-align: center;
  gap: 1.25rem;
  padding-block: 4rem;
}
.notfound .display {
  font-size: clamp(5rem, 22vw, 15rem);
}
.notfound p {
  color: var(--muted);
  margin: 0;
}

/* ---------- 17. Motion ---------- */
.reveal {
  opacity: 1;
}
html.js .reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.7s cubic-bezier(0.2, 0.7, 0.2, 1),
    transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
  transition-delay: var(--d, 0ms);
}
html.js .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;
  }
  html.js .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 18. Responsive ---------- */
@media (max-width: 880px) {
  .hero__grid {
    grid-template-columns: 1fr;
  }
  .hero__ring {
    display: none;
  }
  .work-grid {
    grid-template-columns: 1fr;
  }
  .work-card:last-child:nth-child(odd) {
    display: flex;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .post-row {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.35rem 1rem;
  }
  .post-row__date {
    grid-column: 1 / -1;
    order: -1;
  }
  .post-row__meta {
    align-self: center;
  }
}

@media (max-width: 560px) {
  .site-header__inner {
    height: 58px;
  }
  .nav {
    gap: 0.9rem;
  }
  .nav a {
    font-size: 0.64rem;
    letter-spacing: 0.08em;
  }
  .hero__meta {
    grid-template-columns: 1fr 1fr;
  }
  .hero__meta > div:last-child {
    grid-column: 1 / -1;
  }
  .facts > div {
    grid-template-columns: 5rem minmax(0, 1fr);
  }
}

@media (max-width: 420px) {
  .hero__meta {
    grid-template-columns: 1fr;
  }
  .hero__meta > div:last-child {
    grid-column: auto;
  }
}

/* 打印时把装饰去掉 */
@media print {
  .site-header,
  .site-footer,
  .theme-toggle,
  .hero__ring,
  .work-card__arrow {
    display: none !important;
  }
  body {
    background: #fff;
    color: #000;
  }
}