:root {
  --bg: #f4f4f2;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-solid: #ffffff;
  --text: #171717;
  --muted: #6f6f6f;
  --line: rgba(17, 17, 17, 0.10);
  --accent: #171717;
  --accent-text: #ffffff;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.07);
  --radius-lg: 30px;
  --radius-md: 22px;
  --radius-sm: 14px;
}

[data-theme="dark"] {
  --bg: #101010;
  --surface: rgba(28, 28, 28, 0.86);
  --surface-solid: #1b1b1b;
  --text: #f5f5f2;
  --muted: #a8a8a2;
  --line: rgba(255, 255, 255, 0.10);
  --accent: #f3f3ef;
  --accent-text: #151515;
  --shadow: 0 20px 70px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 0%, rgba(0,0,0,.045), transparent 28%),
    radial-gradient(circle at 90% 10%, rgba(0,0,0,.035), transparent 25%),
    var(--bg);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  transition: background .25s ease, color .25s ease;
}

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

button, input { font: inherit; }

.site-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  position: sticky;
  top: 14px;
  z-index: 20;
  margin-top: 14px;
  height: 68px;
  padding: 0 14px 0 18px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: color-mix(in srgb, var(--surface-solid) 82%, transparent);
  backdrop-filter: blur(18px);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  box-shadow: 0 12px 35px rgba(0, 0, 0, .05);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  font-weight: 800;
  letter-spacing: -.02em;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: var(--accent-text);
}

.nav {
  display: flex;
  gap: 6px;
  padding: 5px;
  border-radius: 14px;
  background: rgba(127,127,127,.08);
}

.nav a {
  padding: 9px 15px;
  color: var(--muted);
  border-radius: 10px;
  font-size: 14px;
  transition: .2s ease;
}

.nav a:hover,
.nav a.active {
  color: var(--text);
  background: var(--surface-solid);
  box-shadow: 0 5px 16px rgba(0,0,0,.05);
}

.icon-btn {
  justify-self: end;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

.main-content {
  flex: 1;
  padding: 46px 0 70px;
}

.card {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero {
  min-height: 520px;
  padding: 58px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  align-items: center;
  gap: 40px;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .18em;
}

.hero h1,
.page-heading h1,
.about-main h1,
.post-header h1 {
  margin: 0;
  letter-spacing: -.055em;
  line-height: 1.02;
}

.hero h1 { font-size: clamp(44px, 6vw, 74px); }

.hero-copy > p {
  max-width: 610px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 34px;
}

.primary-btn,
.ghost-btn {
  min-height: 48px;
  padding: 0 20px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 750;
  transition: transform .2s ease, opacity .2s ease;
}

.primary-btn {
  background: var(--accent);
  color: var(--accent-text);
}

.ghost-btn {
  border: 1px solid var(--line);
  background: var(--surface-solid);
}

.primary-btn:hover,
.ghost-btn:hover { transform: translateY(-2px); }

.hero-art {
  position: relative;
  min-height: 360px;
}

.orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(1px);
}

.orb-a {
  width: 260px;
  height: 260px;
  right: 24px;
  top: 24px;
  background: linear-gradient(145deg, #111, #777);
  opacity: .95;
}

.orb-b {
  width: 150px;
  height: 150px;
  left: 10px;
  bottom: 20px;
  border: 28px solid var(--text);
  opacity: .13;
}

.art-card {
  position: absolute;
  padding: 18px 22px;
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 18px;
  color: #fff;
  background: rgba(255,255,255,.15);
  backdrop-filter: blur(16px);
  font-weight: 900;
  letter-spacing: .16em;
  box-shadow: 0 25px 50px rgba(0,0,0,.16);
}

.art-card-one { right: 3px; bottom: 52px; transform: rotate(-7deg); }
.art-card-two { left: 34px; top: 55px; transform: rotate(8deg); }

.section-head {
  margin: 72px 2px 24px;
  display: flex;
  justify-content: space-between;
  align-items: end;
}

.section-head h2,
.newsletter h2 {
  margin: 0;
  font-size: 34px;
  letter-spacing: -.04em;
}

.text-link {
  color: var(--muted);
  font-weight: 700;
}

.post-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.post-card {
  position: relative;
  padding: 24px;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease;
}

.post-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 28px 70px rgba(0,0,0,.10);
}

.post-card::before {
  content: "";
  width: 120px;
  height: 120px;
  position: absolute;
  right: -36px;
  top: -38px;
  border-radius: 999px;
  background: var(--text);
  opacity: .055;
}

.post-card h3 {
  margin: 42px 0 14px;
  font-size: 25px;
  line-height: 1.25;
  letter-spacing: -.035em;
}

.post-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.post-card-bottom {
  margin-top: auto;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 13px;
}

.tag {
  display: inline-flex;
  width: fit-content;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(127,127,127,.10);
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.newsletter {
  margin-top: 22px;
  padding: 34px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
}

.newsletter p {
  margin: 10px 0 0;
  color: var(--muted);
}

.page-heading {
  padding: 36px 4px 28px;
}

.page-heading h1 { font-size: clamp(48px, 7vw, 78px); }

.page-heading p {
  max-width: 620px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.toolbar {
  padding: 18px;
  display: flex;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
}

.search-box {
  min-width: 280px;
  flex: 1;
  height: 48px;
  padding: 0 15px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-radius: 14px;
  background: rgba(127,127,127,.08);
}

.search-box input {
  width: 100%;
  border: 0;
  outline: 0;
  color: var(--text);
  background: transparent;
}

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

.filter-btn {
  border: 1px solid var(--line);
  padding: 10px 13px;
  border-radius: 12px;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
}

.filter-btn.active {
  color: var(--accent-text);
  background: var(--accent);
  border-color: var(--accent);
}

.post-list {
  margin-top: 18px;
  display: grid;
  gap: 14px;
}

.post-list-item {
  padding: 24px 26px;
  display: grid;
  grid-template-columns: 150px 1fr auto;
  gap: 24px;
  align-items: center;
  transition: transform .2s ease;
}

.post-list-item:hover { transform: translateX(4px); }

.post-list-item .date {
  color: var(--muted);
  font-size: 14px;
}

.post-list-item h3 {
  margin: 0 0 8px;
  font-size: 23px;
  letter-spacing: -.03em;
}

.post-list-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.arrow {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 13px;
}

.empty-state {
  margin-top: 18px;
  padding: 60px 20px;
  text-align: center;
}

.empty-state span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.35fr .65fr;
  gap: 18px;
}

.about-main {
  padding: 54px;
}

.about-main h1 {
  max-width: 760px;
  font-size: clamp(45px, 6vw, 72px);
}

.about-main p {
  max-width: 760px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.9;
}

.about-side {
  display: grid;
  gap: 18px;
}

.profile-card {
  padding: 38px 28px;
  text-align: center;
}

.avatar {
  width: 110px;
  height: 110px;
  margin: 0 auto 20px;
  border-radius: 34px;
  background: var(--accent);
  color: var(--accent-text);
  display: grid;
  place-items: center;
  font-size: 44px;
  font-weight: 900;
  transform: rotate(-4deg);
}

.profile-card h2 { margin: 0; font-size: 28px; }
.profile-card p { color: var(--muted); }

.mini-card {
  padding: 24px;
}

.mini-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 13px;
}

.post-page {
  max-width: 900px;
  margin: 0 auto;
}

.back-link {
  display: inline-block;
  margin: 0 0 18px 4px;
  color: var(--muted);
  font-weight: 700;
}

.post-header {
  padding: 48px;
}

.post-meta {
  display: flex;
  gap: 10px;
  align-items: center;
  color: var(--muted);
  font-size: 13px;
}

.post-header h1 {
  margin-top: 20px;
  font-size: clamp(44px, 7vw, 70px);
}

.post-header > p {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.7;
}

.article-body {
  margin-top: 18px;
  padding: 48px;
  font-size: 17px;
  line-height: 1.9;
}

.article-body h2 {
  margin: 42px 0 12px;
  font-size: 31px;
  letter-spacing: -.035em;
}

.article-body h3 {
  margin: 30px 0 8px;
  font-size: 23px;
}

.article-body p { color: var(--muted); }

.article-body ul,
.article-body ol {
  color: var(--muted);
  padding-left: 24px;
}

.article-body code {
  padding: 3px 7px;
  border-radius: 7px;
  background: rgba(127,127,127,.12);
}

.article-body blockquote {
  margin: 26px 0;
  padding: 18px 22px;
  border-left: 4px solid var(--text);
  border-radius: 0 14px 14px 0;
  background: rgba(127,127,127,.08);
  color: var(--muted);
}

.footer {
  padding: 26px 2px 38px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 900px) {
  .topbar {
    grid-template-columns: 1fr auto;
  }

  .nav {
    position: fixed;
    left: 50%;
    bottom: 18px;
    transform: translateX(-50%);
    z-index: 30;
    box-shadow: 0 14px 40px rgba(0,0,0,.18);
    background: var(--surface-solid);
    border: 1px solid var(--line);
  }

  .hero {
    padding: 38px;
    grid-template-columns: 1fr;
  }

  .hero-art {
    min-height: 280px;
  }

  .post-grid {
    grid-template-columns: 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .post-list-item {
    grid-template-columns: 1fr auto;
  }

  .post-list-item .date {
    grid-column: 1 / -1;
  }

  .toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .search-box { min-width: 0; }
}

@media (max-width: 600px) {
  .site-shell {
    width: min(100% - 20px, 1180px);
  }

  .brand-text { display: none; }

  .main-content {
    padding-top: 26px;
  }

  .hero {
    min-height: auto;
    padding: 28px 22px;
    border-radius: 24px;
  }

  .hero h1 { font-size: 42px; }

  .hero-copy > p { font-size: 16px; }

  .hero-actions {
    flex-direction: column;
  }

  .hero-art { min-height: 230px; }

  .orb-a {
    width: 190px;
    height: 190px;
  }

  .section-head { margin-top: 50px; }

  .newsletter {
    align-items: flex-start;
    flex-direction: column;
  }

  .post-list-item {
    padding: 22px;
  }

  .post-header,
  .article-body,
  .about-main {
    padding: 28px 22px;
  }

  .post-header h1,
  .about-main h1,
  .page-heading h1 {
    font-size: 42px;
  }

  .footer {
    padding-bottom: 100px;
    flex-direction: column;
  }
}


/* =========================
   动态效果增强版
   ========================= */

body {
  overflow-x: hidden;
}

.site-shell {
  position: relative;
  z-index: 2;
}

.ambient-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: .72;
}

.cursor-glow {
  --glow-color: rgba(15, 15, 15, .055);
  position: fixed;
  left: 0;
  top: 0;
  z-index: 1;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  pointer-events: none;
  opacity: 0;
  transform: translate3d(-50%, -50%, 0);
  background: radial-gradient(circle, var(--glow-color), transparent 67%);
  transition: opacity .25s ease;
  will-change: transform;
}

[data-theme="dark"] .cursor-glow {
  --glow-color: rgba(255, 255, 255, .075);
}

.cursor-glow.visible {
  opacity: 1;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  width: 0;
  height: 3px;
  border-radius: 0 999px 999px 0;
  background: var(--text);
  box-shadow: 0 0 18px rgba(127, 127, 127, .35);
  transition: width .08s linear;
}

.page-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
  color: #fff;
  background: #111;
  transition: opacity .55s cubic-bezier(.2,.8,.2,1),
              visibility .55s cubic-bezier(.2,.8,.2,1);
}

.page-loader.loader-hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-inner {
  display: grid;
  justify-items: center;
  gap: 22px;
}

.loader-mark {
  width: 82px;
  height: 82px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 26px;
  font-size: 34px;
  font-weight: 900;
  animation: loaderFloat 1.3s ease-in-out infinite;
}

.loader-track {
  width: 150px;
  height: 3px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255,255,255,.14);
}

.loader-track span {
  display: block;
  width: 55%;
  height: 100%;
  border-radius: inherit;
  background: #fff;
  animation: loaderTrack 1s cubic-bezier(.65,0,.35,1) infinite;
}

@keyframes loaderFloat {
  0%, 100% { transform: translateY(0) rotate(-3deg); }
  50% { transform: translateY(-9px) rotate(3deg); }
}

@keyframes loaderTrack {
  from { transform: translateX(-115%); }
  to { transform: translateX(285%); }
}

.topbar {
  transition: transform .3s ease, box-shadow .3s ease, background .3s ease;
}

.topbar.scrolled {
  transform: translateY(-4px);
  box-shadow: 0 18px 50px rgba(0,0,0,.10);
}

.brand-mark {
  position: relative;
  overflow: hidden;
  transition: transform .4s cubic-bezier(.2,.8,.2,1);
}

.brand:hover .brand-mark {
  transform: rotate(-9deg) scale(1.08);
}

.brand-mark::after {
  content: "";
  position: absolute;
  inset: -40%;
  background: linear-gradient(110deg, transparent 35%, rgba(255,255,255,.45), transparent 65%);
  transform: translateX(-120%) rotate(12deg);
  transition: transform .7s ease;
}

.brand:hover .brand-mark::after {
  transform: translateX(120%) rotate(12deg);
}

.icon-btn {
  transition: transform .35s cubic-bezier(.2,.8,.2,1), background .25s ease;
}

.icon-btn:hover {
  transform: rotate(18deg) scale(1.06);
  background: rgba(127,127,127,.09);
}

.main-content.route-enter {
  animation: routeEnter .58s cubic-bezier(.16,1,.3,1);
}

@keyframes routeEnter {
  from {
    opacity: 0;
    translate: 0 18px;
    filter: blur(5px);
  }
  to {
    opacity: 1;
    translate: 0 0;
    filter: blur(0);
  }
}

.reveal {
  opacity: 0;
  translate: 0 30px;
  filter: blur(7px);
  transition:
    opacity .75s cubic-bezier(.16,1,.3,1),
    translate .75s cubic-bezier(.16,1,.3,1),
    filter .75s cubic-bezier(.16,1,.3,1);
  transition-delay: var(--reveal-delay, 0ms);
}

.reveal.revealed {
  opacity: 1;
  translate: 0 0;
  filter: blur(0);
}

.hero {
  position: relative;
  isolation: isolate;
}

.hero::after {
  content: "";
  position: absolute;
  inset: -35%;
  z-index: -1;
  opacity: .42;
  background:
    conic-gradient(from 90deg at 50% 50%,
      transparent 0deg,
      rgba(127,127,127,.10) 70deg,
      transparent 145deg,
      rgba(127,127,127,.08) 230deg,
      transparent 320deg);
  animation: heroAura 20s linear infinite;
}

@keyframes heroAura {
  to { transform: rotate(360deg); }
}

.hero-copy h1 {
  background: linear-gradient(105deg, var(--text) 20%, var(--muted) 47%, var(--text) 76%);
  background-size: 230% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: titleShimmer 7s ease-in-out infinite;
}

@keyframes titleShimmer {
  0%, 25% { background-position: 0% center; }
  70%, 100% { background-position: 100% center; }
}

.eyebrow {
  position: relative;
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 9px;
  border-radius: 50%;
  vertical-align: 1px;
  background: var(--text);
  animation: eyebrowPulse 2.2s ease-in-out infinite;
}

@keyframes eyebrowPulse {
  0%, 100% { transform: scale(.75); opacity: .35; }
  50% { transform: scale(1); opacity: 1; }
}

.hero-art,
.orb,
.art-card {
  will-change: transform;
}

.orb-a {
  animation: orbBreath 6s ease-in-out infinite;
}

.orb-b {
  animation: ringFloat 7s ease-in-out infinite reverse;
}

@keyframes orbBreath {
  0%, 100% { border-radius: 47% 53% 58% 42% / 47% 39% 61% 53%; }
  50% { border-radius: 58% 42% 44% 56% / 37% 58% 42% 63%; }
}

@keyframes ringFloat {
  0%, 100% { translate: 0 0; rotate: 0deg; }
  50% { translate: 0 -13px; rotate: 8deg; }
}

.art-card {
  transition: transform .22s cubic-bezier(.2,.8,.2,1), box-shadow .3s ease;
}

.art-card-three {
  left: 40%;
  bottom: 4px;
  color: var(--text);
  border-color: var(--line);
  background: color-mix(in srgb, var(--surface-solid) 78%, transparent);
  transform: rotate(2deg);
}

.live-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 7px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 0 currentColor;
  animation: livePulse 1.9s ease-out infinite;
}

@keyframes livePulse {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, currentColor 42%, transparent); }
  75%, 100% { box-shadow: 0 0 0 10px transparent; }
}

.scroll-hint {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 34px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .12em;
}

.scroll-hint span {
  position: relative;
  width: 26px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.scroll-hint span::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 8px;
  width: 4px;
  height: 7px;
  margin-left: -2px;
  border-radius: 999px;
  background: var(--text);
  animation: scrollDot 1.8s ease-in-out infinite;
}

@keyframes scrollDot {
  0% { translate: 0 0; opacity: 0; }
  30% { opacity: 1; }
  75%, 100% { translate: 0 16px; opacity: 0; }
}

.interactive-card {
  --rx: 0deg;
  --ry: 0deg;
  --lift: 0px;
  --shine-x: 50%;
  --shine-y: 50%;
  position: relative;
  overflow: hidden;
  transform:
    perspective(1000px)
    translateY(var(--lift))
    rotateX(var(--rx))
    rotateY(var(--ry));
  transform-style: preserve-3d;
  transition:
    transform .22s ease,
    box-shadow .25s ease,
    border-color .25s ease;
}

.interactive-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  opacity: 0;
  border-radius: inherit;
  background:
    radial-gradient(
      320px circle at var(--shine-x) var(--shine-y),
      rgba(255,255,255,.22),
      transparent 45%
    );
  transition: opacity .25s ease;
}

[data-theme="dark"] .interactive-card::after {
  background:
    radial-gradient(
      320px circle at var(--shine-x) var(--shine-y),
      rgba(255,255,255,.11),
      transparent 45%
    );
}

.interactive-card:hover {
  --lift: -6px;
  border-color: color-mix(in srgb, var(--text) 20%, var(--line));
}

.interactive-card:hover::after {
  opacity: 1;
}

.interactive-card > * {
  position: relative;
  z-index: 4;
}

.post-card.interactive-card:hover,
.post-list-item.interactive-card:hover {
  transform:
    perspective(1000px)
    translateY(var(--lift))
    rotateX(var(--rx))
    rotateY(var(--ry));
}

.post-card h3,
.post-list-item h3,
.text-link,
.back-link {
  transition: letter-spacing .25s ease, color .25s ease;
}

.post-card:hover h3,
.post-list-item:hover h3 {
  letter-spacing: -.015em;
}

.post-card .tag {
  transition: transform .25s ease, background .25s ease;
}

.post-card:hover .tag {
  transform: translateY(-2px);
  background: rgba(127,127,127,.16);
}

.arrow {
  transition: transform .3s cubic-bezier(.2,.8,.2,1), background .25s ease;
}

.post-list-item:hover .arrow {
  transform: translateX(6px) rotate(-7deg);
  background: var(--accent);
  color: var(--accent-text);
}

.primary-btn,
.ghost-btn,
.icon-btn,
.filter-btn,
.text-link,
.back-link {
  position: relative;
  overflow: hidden;
}

.magnetic {
  --mag-x: 0px;
  --mag-y: 0px;
  --hover-y: 0px;
  transform: translate3d(var(--mag-x), calc(var(--mag-y) + var(--hover-y)), 0);
  transition: transform .18s ease, opacity .2s ease, background .2s ease;
}

.magnetic:hover {
  --hover-y: -2px;
}

.ripple-wave {
  position: absolute;
  z-index: 10;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  pointer-events: none;
  background: currentColor;
  opacity: .16;
  transform: translate(-50%, -50%) scale(0);
  animation: rippleWave .65s ease-out forwards;
}

@keyframes rippleWave {
  to {
    opacity: 0;
    transform: translate(-50%, -50%) scale(18);
  }
}

.filter-btn {
  transition: transform .22s ease, color .22s ease, background .22s ease;
}

.filter-btn:hover {
  transform: translateY(-2px);
}

.search-box {
  transition: box-shadow .25s ease, transform .25s ease, background .25s ease;
}

.search-box:focus-within {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0,0,0,.08);
  background: rgba(127,127,127,.12);
}

.avatar {
  animation: avatarFloat 5s ease-in-out infinite;
}

@keyframes avatarFloat {
  0%, 100% { transform: translateY(0) rotate(-4deg); }
  50% { transform: translateY(-9px) rotate(3deg); }
}

.article-body h2 {
  position: relative;
}

.article-body h2::after {
  content: "";
  display: block;
  width: 42px;
  height: 3px;
  margin-top: 12px;
  border-radius: 999px;
  background: var(--text);
  transform-origin: left;
  animation: headingLine 1.2s cubic-bezier(.16,1,.3,1) both;
}

@keyframes headingLine {
  from { transform: scaleX(0); opacity: 0; }
  to { transform: scaleX(1); opacity: 1; }
}

.footer {
  position: relative;
}

.footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 28%;
  height: 1px;
  background: var(--text);
  animation: footerLine 6s ease-in-out infinite alternate;
}

@keyframes footerLine {
  to { left: 72%; }
}

@media (hover: none), (pointer: coarse) {
  .cursor-glow {
    display: none;
  }

  .interactive-card {
    transform: none !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }

  .page-loader {
    display: none;
  }

  .ambient-canvas,
  .cursor-glow {
    display: none;
  }

  .reveal {
    opacity: 1;
    translate: 0;
    filter: none;
  }
}


/* CMS 内容增强 */
.footer a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.post-card.has-cover {
  isolation: isolate;
}

.post-card.has-cover::before {
  width: auto;
  height: auto;
  inset: 0;
  z-index: 0;
  border-radius: inherit;
  background:
    linear-gradient(to bottom, rgba(0,0,0,.08), rgba(0,0,0,.78)),
    var(--post-cover) center / cover no-repeat;
  opacity: 1;
}

.post-card.has-cover::after {
  z-index: 1;
}

.post-card.has-cover > * {
  z-index: 2;
  color: #fff;
}

.post-card.has-cover p,
.post-card.has-cover .post-card-bottom {
  color: rgba(255,255,255,.78);
}

.post-card.has-cover .tag {
  color: #fff;
  background: rgba(255,255,255,.16);
  backdrop-filter: blur(12px);
}

#featuredPosts > .empty-state {
  grid-column: 1 / -1;
  min-height: 220px;
  display: grid;
  place-content: center;
}