:root {
  --sakura: #FFB7C5;
  --sakura-light: #FFD6E0;
  --sakura-pale: #FFF0F5;
  --sakura-ghost: #FDEEF4;
  --sakura-deep: #FF8FB1;
  --sakura-dark: #E8779E;
  --bg: #F9FAFB;
  --bg-warm: #FFF8FA;
  --panel: rgba(255, 255, 255, 0.82);
  --panel-solid: #ffffff;
  --text: #2D3748;
  --text-secondary: #4A5568;
  --muted: #718096;
  --line: rgba(255, 183, 197, 0.25);
  --line-solid: #F0D0DA;
  --primary: #FF8FB1;
  --primary-hover: #E8779E;
  --primary-light: #FFF0F5;
  --primary-glow: rgba(255, 143, 177, 0.15);
  --success: #6DB88F;
  --danger: #E87461;
  --radius: 20px;
  --radius-sm: 12px;
  --radius-xs: 8px;
  --shadow: 0 2px 12px rgba(255, 143, 177, 0.08), 0 4px 24px rgba(0, 0, 0, 0.03);
  --shadow-hover: 0 8px 32px rgba(255, 143, 177, 0.15), 0 12px 48px rgba(0, 0, 0, 0.06);
  --shadow-card: 0 4px 20px rgba(255, 143, 177, 0.06);
  --blur: saturate(180%) blur(16px);
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --font-sans: "Noto Serif SC", "Source Han Serif SC", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-display: "Noto Serif SC", "Source Han Serif SC", Georgia, "Times New Roman", serif;
  --font-mono: "JetBrains Mono", "Fira Code", "Source Code Pro", Menlo, Consolas, monospace;
  --content-width: 720px;
  --layout-width: 1100px;
  --sidebar-width: 300px;
  --header-height: 64px;
}

body.dark {
  --bg: #16181D;
  --bg-warm: #1A1C22;
  --panel: rgba(31, 35, 43, 0.85);
  --panel-solid: #1F232B;
  --text: #E8E0E4;
  --text-secondary: #B8B0B6;
  --muted: #8A8490;
  --line: rgba(255, 143, 177, 0.12);
  --line-solid: #2E2A34;
  --primary: #FFB7C5;
  --primary-hover: #FFD6E0;
  --primary-light: rgba(255, 183, 197, 0.1);
  --primary-glow: rgba(255, 183, 177, 0.08);
  --success: #7ECFA0;
  --danger: #F08878;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.2), 0 4px 24px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 8px 32px rgba(255, 143, 177, 0.1), 0 12px 48px rgba(0, 0, 0, 0.15);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.15);
  --sakura-ghost: #2A2430;
  color-scheme: dark;
}

body.dark .site-loader { background: #0a0a0f }

body.dark .article-content code { color: var(--sakura) }

body.dark .article-content pre {
  background: #0f1117;
  border-color: rgba(255, 143, 177, 0.08);
}

body.dark .comment-form .input,
body.dark .comment-form .textarea {
  background: rgba(31, 35, 43, 0.6);
  border-color: var(--line-solid);
  color: var(--text);
}

body.dark .search-dropdown {
  background: var(--panel-solid);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

body.dark .site-nav {
  background: transparent;
}

body.dark .auth-page {
  background: linear-gradient(135deg, #1A1C22, #16181D, #1A1C22);
}

body.dark .auth-box {
  background: rgba(31, 35, 43, 0.85);
  border-color: rgba(255, 143, 177, 0.12);
}

body.dark .input, body.dark .textarea {
  background: rgba(31, 35, 43, 0.6);
  border-color: var(--line-solid);
  color: var(--text);
}

body.dark .site-header.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

body.dark .btn-ghost {
  color: var(--text-secondary);
  border-color: var(--line-solid);
}

body.dark .input:disabled,
body.dark .textarea:disabled {
  background: rgba(31, 35, 43, 0.4);
  opacity: 0.6;
}

* { box-sizing: border-box; margin: 0; padding: 0 }
html { scroll-behavior: smooth; min-height: 100% }

body {
  min-height: 100vh;
  background: transparent;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.8;
  overflow-x: hidden;
  transition: color 0.4s var(--ease);
  display: flex;
  flex-direction: column;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: -1;
  transition: background 0.6s var(--ease);
}

#dynamic-bg {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  height: 100% !important;
  z-index: 1 !important;
  pointer-events: none !important;
}

.hero { z-index: 1; }
.hero-bg { z-index: 0; }

body > .main-content {
  flex: 1 0 auto;
}

body.is-loading { overflow: hidden }

a { color: var(--primary); text-decoration: none; transition: color 0.2s var(--ease) }
a:hover { color: var(--primary-hover) }
a:visited { color: var(--primary) }

/* 导航栏链接 :visited 重置，防止浏览器默认紫色/绿色 */
.site-header a:visited { color: inherit }
.site-header .site-nav a:visited { color: inherit }
.site-header .site-nav a.nav-admin:visited,
.site-header .site-nav a.nav-user:visited { color: var(--sakura-deep) }
.home-hero-page .site-header .site-nav a:visited { color: rgba(255,255,255,0.85) }
.home-hero-page .site-header .site-nav a.nav-admin:visited,
.home-hero-page .site-header .site-nav a.nav-user:visited { color: var(--sakura-deep) }
.home-hero-page .site-header.scrolled .site-nav a:visited { color: rgba(255,255,255,0.92) }
.home-hero-page .site-header.scrolled .site-nav a.nav-admin:visited,
.home-hero-page .site-header.scrolled .site-nav a.nav-user:visited { color: #FFB7C5 }

button, input, textarea, select { font: inherit; border: none; outline: none }

::selection { background: var(--sakura-light); color: var(--text) }

::-webkit-scrollbar { width: 6px }
::-webkit-scrollbar-track { background: transparent }
::-webkit-scrollbar-thumb { background: var(--sakura-light); border-radius: 3px }
::-webkit-scrollbar-thumb:hover { background: var(--sakura) }

.site-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
  background: #0a0a0f;
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}

.site-loader::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 40%, rgba(255,183,197,0.04) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 60%, rgba(255,143,177,0.03) 0%, transparent 50%);
}

.site-loader.fade-out {
  opacity: 0;
  transform: translateY(-12px);
  pointer-events: none;
}

.loader-inner {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  width: clamp(9.5rem, 17vw, 12rem);
  height: clamp(9.5rem, 17vw, 12rem);
  flex-direction: column;
}

.blackhole {
  z-index: -1;
  display: flex;
  position: absolute;
  width: 8rem;
  height: 8rem;
  align-items: center;
  justify-content: center;
}

.blackhole-circle {
  z-index: 0;
  display: flex;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: radial-gradient(circle at center, #0a0a0f 25%, rgba(255,183,197,0.6) 35%, rgba(255,183,197,0.3) 100%);
  box-shadow: 0 0 2rem rgba(255,183,197,0.3);
  align-items: center;
  justify-content: center;
}

.blackhole-circle::after {
  z-index: 0;
  position: absolute;
  content: "";
  display: flex;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 3px solid rgba(255,183,197,0.5);
  background: radial-gradient(circle at center, #0a0a0f 35%, rgba(255,183,197,0.4) 60%, rgba(255,183,197,0.2) 100%);
  box-shadow: 0 0 5rem rgba(255,183,197,0.2);
  align-items: center;
  justify-content: center;
  filter: blur(4px);
  animation: pulseAnimation linear infinite 2s alternate-reverse;
}

.blackhole-circle::before {
  z-index: 1;
  content: "";
  display: flex;
  width: 4rem;
  height: 4rem;
  border: 2px solid rgba(255,183,197,0.6);
  box-shadow: 3px 3px 10px rgba(255,183,197,0.2), inset 0 0 1rem rgba(255,183,197,0.3);
  border-radius: 50%;
  top: 5rem;
  filter: blur(0.5px);
  animation: rotate linear infinite 3s;
}

.blackhole-disc {
  position: absolute;
  z-index: 0;
  display: flex;
  width: 5rem;
  height: 10rem;
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(255,183,197,0.8) 80%, rgba(255,143,177,0.3) 90%, rgba(255,183,197,0.5) 100%);
  filter: blur(1rem) brightness(130%);
  border: 1rem solid rgba(255,183,197,0.4);
  box-shadow: 0 0 3rem rgba(255,183,197,0.15);
  transform: rotate3d(1, 1, 1, 220deg);
  animation: pulseAnimation2 linear infinite 2s alternate-reverse;
  justify-content: center;
  align-items: center;
}

.blackhole-disc::before {
  content: "";
  position: absolute;
  z-index: 0;
  display: flex;
  width: 5rem;
  height: 10rem;
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(255,183,197,0.6) 80%, rgba(255,143,177,0.2) 90%, rgba(255,183,197,0.3) 100%);
  filter: blur(3rem);
  border: 1rem solid rgba(255,183,197,0.3);
  box-shadow: 0 0 6rem rgba(255,183,197,0.1);
  animation: pulseAnimation linear infinite 2s alternate-reverse;
}

.curve {
  width: 180%;
  height: 180%;
  position: absolute;
  animation: rotate 8s linear infinite;
  fill: transparent;
}

.curve text {
  letter-spacing: 20px;
  text-transform: uppercase;
  font: 1.5em "Fira Sans", sans-serif;
  fill: rgba(255,183,197,0.8);
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.5));
}

@keyframes rotate {
  from { transform: rotate(0deg) }
  to { transform: rotate(360deg) }
}

@keyframes pulseAnimation {
  0% { box-shadow: 0 0 3rem rgba(255,183,197,0.2); transform: scale(1) }
  100% { box-shadow: 0 0 5rem rgba(255,183,197,0.3); transform: scale(1.09) }
}

@keyframes pulseAnimation2 {
  0% { box-shadow: 0 0 3rem rgba(255,183,197,0.15); transform: rotate3d(1, 1, 1, 220deg) scale(1) }
  100% { box-shadow: 0 0 5rem rgba(255,183,197,0.2); transform: rotate3d(1, 1, 1, 220deg) scale(0.95) }
}

.theme-wipe {
  position: fixed;
  inset: 0;
  z-index: 9998;
  pointer-events: none;
  clip-path: circle(0 at var(--wipe-x, 50%) var(--wipe-y, 50%));
  transition: clip-path 0.78s cubic-bezier(0.19, 1, 0.22, 1);
}

.theme-wipe.theme-wipe-dark {
  background: #16181D;
}

.theme-wipe.theme-wipe-light {
  background: #F9FAFB;
}

.theme-wipe.theme-wipe--active {
  clip-path: circle(var(--wipe-r, 100%) at var(--wipe-x, 50%) var(--wipe-y, 50%));
}

.sakura-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 0.4s var(--ease), box-shadow 0.3s var(--ease), border-color 0.4s var(--ease), transform 0.35s var(--ease);
}

.site-header.scrolled {
  background: var(--panel);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 2px 20px rgba(255, 143, 177, 0.08);
}

.site-header.nav-hidden {
  transform: translateY(-100%);
}

.site-header .site-logo {
  color: #fff;
}

.site-header.scrolled .site-logo {
  color: var(--text);
}

.site-header .site-nav a {
  color: rgba(255, 255, 255, 0.85);
}

.site-header.scrolled .site-nav a {
  color: var(--text-secondary);
}

.site-header .nav-auth-links a {
  color: rgba(255, 255, 255, 0.85);
}

.site-header.scrolled .nav-auth-links a {
  color: var(--text-secondary);
}

.site-header .nav-auth-links .nav-auth-sep {
  color: rgba(255, 255, 255, 0.3);
}

.site-header.scrolled .nav-auth-links .nav-auth-sep {
  color: var(--muted);
}

.site-header .search-trigger,
.site-header .theme-toggle {
  color: rgba(255, 255, 255, 0.7);
  border-color: rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.08);
}

.site-header.scrolled .search-trigger,
.site-header.scrolled .theme-toggle {
  color: var(--text-secondary);
  border-color: var(--line);
  background: var(--primary-glow);
}

.site-header .mobile-nav-btn {
  color: rgba(255, 255, 255, 0.8);
  border-color: rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.08);
}

.site-header.scrolled .mobile-nav-btn {
  color: var(--text);
  border-color: var(--line);
  background: var(--primary-glow);
}

.header-inner {
  max-width: var(--layout-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 700;
  font-family: var(--font-display);
  color: var(--text);
  transition: transform 0.3s var(--ease-bounce);
}

.site-logo:hover { text-decoration: none; transform: scale(1.02) }

.site-logo-mark {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-xs);
  background: linear-gradient(135deg, var(--sakura), var(--sakura-deep));
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  box-shadow: 0 2px 8px rgba(255, 143, 177, 0.3);
}

.site-logo-img {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-xs);
  object-fit: contain;
}

.site-logo-text {
  transition: color 0.3s var(--ease);
}

.header-center {
  flex: 1;
  display: flex;
  justify-content: center;
}

.search-wrapper {
  position: relative;
}

.search-trigger {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary-glow);
  border: 1px solid var(--line);
  cursor: pointer;
  display: grid;
  place-items: center;
  color: var(--text-secondary);
  transition: all 0.3s var(--ease);
}

.search-trigger:hover {
  background: var(--sakura-light);
  color: var(--primary);
  transform: scale(1.05);
}

.search-dropdown {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%);
  width: 380px;
  background: var(--panel-solid);
  backdrop-filter: var(--blur);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: 0 12px 40px rgba(0,0,0,0.12);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(-8px);
  transition: all 0.25s var(--ease);
  overflow: hidden;
}

.search-dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.search-form {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  gap: 8px;
  border-bottom: 1px solid var(--line);
}

.search-input {
  flex: 1;
  background: none;
  color: var(--text);
  font-size: 14px;
  padding: 4px 0;
}

.search-input::placeholder { color: var(--muted) }

.search-submit {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-xs);
  background: var(--primary-glow);
  color: var(--primary);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: all 0.2s var(--ease);
}

.search-submit:hover { background: var(--sakura-light) }

.search-suggestions {
  max-height: 300px;
  overflow-y: auto;
}

.search-group {
  padding: 8px 0;
}

.search-group + .search-group {
  border-top: 1px solid var(--line);
}

.search-group-label {
  padding: 4px 16px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.search-result-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  color: var(--text);
  font-size: 13px;
  transition: background 0.15s var(--ease);
}

.search-result-item:hover {
  background: var(--primary-glow);
  text-decoration: none;
  color: var(--primary);
}

.search-result-icon { color: var(--muted); flex-shrink: 0 }
.search-result-text { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap }
.search-result-sub { font-size: 11px; color: var(--muted); max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap }

.search-empty {
  padding: 24px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}

.site-nav { display: flex; gap: 4px; align-items: center }

.site-nav a {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.25s var(--ease);
  position: relative;
}

.site-nav a::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 16px;
  height: 2px;
  background: var(--sakura);
  border-radius: 1px;
  transition: transform 0.25s var(--ease);
}

.site-nav a:hover {
  color: var(--primary);
  background: var(--primary-glow);
  text-decoration: none;
}

.site-nav a:hover::after,
.site-nav a.active::after { transform: translateX(-50%) scaleX(1) }

.site-nav a.active {
  color: var(--primary);
  background: var(--primary-glow);
  font-weight: 600;
}

.site-nav a.nav-admin { color: var(--sakura-deep) }

/* nav-admin 在 header 各状态下保持粉色 */
.site-header .site-nav a.nav-admin,
.site-header.scrolled .site-nav a.nav-admin { color: var(--sakura-deep) }
.home-hero-page .site-header .site-nav a.nav-admin { color: var(--sakura-deep) }
.home-hero-page .site-header.scrolled .site-nav a.nav-admin { color: #FFB7C5 }
.site-nav a.nav-user { color: var(--sakura-deep) }

/* nav-user 在 header 各状态下保持粉色 */
.site-header .site-nav a.nav-user,
.site-header.scrolled .site-nav a.nav-user { color: var(--sakura-deep) }
.home-hero-page .site-header .site-nav a.nav-user { color: var(--sakura-deep) }
.home-hero-page .site-header.scrolled .site-nav a.nav-user { color: #FFB7C5 }

.nav-auth-links { display: inline-flex; align-items: center; gap: 4px; margin-left: 8px }
.nav-auth-sep { color: var(--muted); font-size: 12px; margin: 0 2px }

.header-actions { display: flex; align-items: center; gap: 6px; margin-left: 8px }
.mobile-search-trigger { display: none }

.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary-glow);
  border: 1px solid var(--line);
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: 16px;
  transition: all 0.3s var(--ease);
  color: var(--text-secondary);
}

.theme-toggle:hover {
  background: var(--sakura-light);
  transform: rotate(20deg);
  color: var(--primary);
}

.mobile-nav-btn {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-xs);
  background: var(--primary-glow);
  border: 1px solid var(--line);
  cursor: pointer;
  font-size: 18px;
  color: var(--text);
  transition: all 0.2s var(--ease);
}

.mobile-nav-btn:hover { background: var(--sakura-light) }

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: min-height 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.hero.hero-collapsed {
  min-height: 45vh;
}

.hero.hero-collapsed .hero-scroll-hint {
  opacity: 0;
  pointer-events: none;
}

.hero.hero-collapsed .hero-inner {
  transform: translateY(0);
}

.hero-inner {
  transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: blur(var(--bg-blur)) brightness(var(--bg-brightness)) contrast(var(--bg-contrast)) saturate(var(--bg-saturate));
  transform: scale(1.05);
  transition: background-image 1.2s var(--ease);
  opacity: 0;
}

.hero-bg.loaded {
  opacity: 1;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10,10,15,var(--bg-overlay-opacity)) 0%, rgba(10,10,15,calc(var(--bg-overlay-opacity) * 0.8)) 60%, rgba(10,10,15,0.95) 100%),
    linear-gradient(135deg, rgba(255,143,177,0.05) 0%, transparent 50%);
  z-index: 1;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
  padding: 0 24px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 700;
  margin-bottom: 16px;
  color: #fff;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
  animation: fadeInUp 0.8s var(--ease) 0.2s both;
  letter-spacing: 0;
}

.hero-subtitle {
  font-size: 18px;
  color: rgba(255,255,255,0.75);
  line-height: 1.7;
  animation: fadeInUp 0.8s var(--ease) 0.4s both;
  margin-bottom: 32px;
}

.hero-subtitle .typing-cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: var(--sakura);
  margin-left: 2px;
  animation: blink 1s step-end infinite;
  vertical-align: text-bottom;
}

.hero-search {
  display: none;
}

.hero-search-form {
  display: flex;
  max-width: 480px;
  margin: 0 auto;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.15);
  transition: all 0.3s var(--ease);
}

.hero-search-form:focus-within {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,183,197,0.4);
  box-shadow: 0 0 0 4px rgba(255,143,177,0.1);
}

.hero-search-input {
  flex: 1;
  background: none;
  color: #fff;
  padding: 14px 24px;
  font-size: 15px;
}

.hero-search-input::placeholder { color: rgba(255,255,255,0.5) }

.hero-search-btn {
  width: 48px;
  background: rgba(255,183,197,0.2);
  color: var(--sakura);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: background 0.2s var(--ease);
}

.hero-search-btn:hover { background: rgba(255,183,197,0.35) }

.hero-scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.5);
  animation: fadeInUp 0.8s var(--ease) 0.8s both;
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}

.hero-scroll-hint.hidden {
  opacity: 0;
  transform: translateX(-50%) translateY(10px);
}

.scroll-text {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 500;
}

.scroll-arrow {
  animation: bounceDown 2s ease-in-out infinite;
}

@keyframes bounceDown {
  0%, 100% { transform: translateY(0) }
  50% { transform: translateY(6px) }
}

.main-content {
  position: relative;
  z-index: 2;
  padding-top: var(--header-height);
  flex: 1;
}

.hero + .main-content {
  padding-top: 0;
}

.container {
  max-width: var(--layout-width);
  margin: 0 auto;
  padding: 32px 24px;
}

.search-result-hint {
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 14px;
}

.layout-with-sidebar {
  display: grid;
  grid-template-columns: 1fr var(--sidebar-width);
  gap: 28px;
  align-items: start;
}

.post-card {
  position: relative;
  background: var(--panel);
  backdrop-filter: var(--blur);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 20px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
  cursor: pointer;
}

.post-card:focus-visible {
  outline: 3px solid var(--primary-glow);
  outline-offset: 3px;
}

.post-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--sakura), var(--sakura-deep), var(--sakura));
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}

.post-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: var(--sakura-light);
}

.post-card:hover::before { opacity: 1 }

.post-card-cover {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

.post-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s var(--ease);
}

.post-card:hover .post-card-cover img {
  transform: scale(1.05);
}

.post-card-body {
  padding: 18px 20px;
}

.post-card h2 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.5;
  overflow-wrap: break-word;
  word-break: break-word;
}

.post-card h2 a {
  color: var(--text);
  transition: color 0.25s var(--ease);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card h2 a:hover { color: var(--primary); text-decoration: none }

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 12px;
}

.post-meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.post-summary {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 14px;
  overflow-wrap: break-word;
  word-break: break-word;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px }

.tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  background: var(--primary-glow);
  color: var(--primary);
  font-size: 12px;
  font-weight: 500;
  border: 1px solid var(--line);
  transition: all 0.2s var(--ease);
}

a.tag {
  color: var(--primary);
}

.tag:hover {
  background: var(--sakura-light);
  color: var(--sakura-dark);
  text-decoration: none;
  transform: translateY(-1px);
}

.tag.active {
  background: linear-gradient(135deg, var(--sakura), var(--sakura-deep));
  color: #fff;
  border-color: transparent;
  font-weight: 600;
}

.tag.active:hover {
  background: linear-gradient(135deg, var(--sakura-deep), var(--sakura-dark));
  color: #fff;
  transform: translateY(-1px);
}

body.dark .tag.active {
  background: linear-gradient(135deg, var(--sakura-deep), var(--sakura-dark));
  color: #fff;
}

body.dark .tag.active:hover {
  background: linear-gradient(135deg, #D4688A, var(--sakura-deep));
  color: #fff;
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  transition: all 0.25s var(--ease);
}

.read-more:hover {
  color: var(--primary-hover);
  gap: 10px;
}

.read-more::after {
  content: '\2192';
  transition: transform 0.25s var(--ease);
}

.read-more:hover::after { transform: translateX(3px) }

.sidebar-widget {
  background: var(--panel);
  backdrop-filter: var(--blur);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-card);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.sidebar-widget:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.sidebar-widget h3 {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  color: var(--text);
}

.sidebar-widget .cat-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  font-size: 14px;
  gap: 8px;
}

.sidebar-widget .cat-item a {
  color: var(--text-secondary);
  transition: color 0.2s var(--ease);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
  flex: 1;
}

.sidebar-widget .cat-item a:hover { color: var(--primary) }

.sidebar-widget .cat-count {
  font-size: 12px;
  color: var(--muted);
  background: var(--primary-glow);
  padding: 2px 8px;
  border-radius: 10px;
}

.sidebar-widget .tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.sidebar-widget .friend-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  transition: all 0.2s var(--ease);
}

.sidebar-widget .friend-link:last-child { border-bottom: none }
.sidebar-widget .friend-link:hover { padding-left: 4px }

.sidebar-widget .friend-link a {
  color: var(--text-secondary);
  font-size: 14px;
}

.sidebar-widget .friend-link a:hover { color: var(--primary) }

.article-content {
  background: var(--panel);
  backdrop-filter: var(--blur);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 40px 44px;
  box-shadow: var(--shadow-card);
}

.article-content h1 {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.4;
  color: var(--text);
}

.article-content .meta {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.article-content h2 {
  font-family: var(--font-display);
  font-size: 22px;
  margin: 32px 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  color: var(--text);
}

.article-content h3 {
  font-size: 18px;
  margin: 24px 0 12px;
  color: var(--text);
}

.article-content p {
  margin-bottom: 16px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.article-content pre {
  background: #1e293b;
  color: #e2e8f0;
  padding: 20px 24px;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  margin: 20px 0;
  font-size: 13px;
  line-height: 1.6;
  font-family: var(--font-mono);
  border: 1px solid rgba(255, 143, 177, 0.1);
}

.article-content code {
  background: var(--primary-glow);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 13px;
  font-family: var(--font-mono);
  color: var(--sakura-dark);
}

.article-content pre code {
  background: none;
  padding: 0;
  color: inherit;
  border-radius: 0;
}

.article-content ul, .article-content ol {
  padding-left: 24px;
  margin-bottom: 16px;
  color: var(--text-secondary);
}

.article-content li { margin-bottom: 6px }

.article-content blockquote {
  border-left: 4px solid var(--sakura);
  padding: 16px 20px;
  background: var(--primary-glow);
  margin: 20px 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-secondary);
  font-style: italic;
}

.article-content img {
  max-width: 100%;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  margin: 16px 0;
}

.article-content .post-tags {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.comment-section {
  margin-top: 40px;
}

.comment-section h3 {
  font-family: var(--font-display);
  font-size: 20px;
  margin-bottom: 20px;
  color: var(--text);
}

.comment-form {
  background: var(--panel);
  backdrop-filter: var(--blur);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-card);
}

.comment-form .field { margin-bottom: 14px }

.comment-form label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
  font-weight: 500;
}

.comment-form .input,
.comment-form .textarea {
  width: 100%;
  border: 1px solid var(--line-solid);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 14px;
  background: var(--panel);
  color: var(--text);
  transition: all 0.25s var(--ease);
}

.comment-form .input:focus,
.comment-form .textarea:focus {
  border-color: var(--sakura);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.comment-form .textarea {
  min-height: 100px;
  resize: vertical;
}

.comment-item {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 14px;
  background: var(--panel);
  backdrop-filter: var(--blur);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.comment-item:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-card);
}

.comment-item .author {
  font-weight: 600;
  font-size: 14px;
  color: var(--primary);
}

.comment-item .time {
  font-size: 12px;
  color: var(--muted);
}

.comment-item .text {
  margin-top: 8px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin: 32px 0;
}

.pagination:empty {
  display: none;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-solid);
  font-size: 14px;
  color: var(--text-secondary);
  transition: all 0.25s var(--ease);
}

.pagination a:hover {
  background: var(--primary-glow);
  border-color: var(--sakura);
  color: var(--primary);
  text-decoration: none;
  transform: translateY(-2px);
}

.pagination .current {
  background: linear-gradient(135deg, var(--sakura), var(--sakura-deep));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 2px 8px rgba(255, 143, 177, 0.3);
  font-weight: 600;
}

.link-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 14px;
  background: var(--panel);
  backdrop-filter: var(--blur);
  box-shadow: var(--shadow-card);
  transition: all 0.3s var(--ease);
}

.link-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: var(--sakura-light);
}

.link-card .avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--sakura-light), var(--sakura));
  display: grid;
  place-items: center;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.link-card .info { flex: 1 }

.link-card .name {
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
}

.link-card .name a { color: var(--text) }
.link-card .name a:hover { color: var(--primary); text-decoration: none }

.link-card .desc {
  font-size: 13px;
  color: var(--muted);
  margin-top: 2px;
}

.site-footer {
  background: var(--panel);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-top: 1px solid var(--line);
  padding: 36px 24px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  margin-top: 60px;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease), color 0.4s var(--ease);
  flex-shrink: 0;
}

.footer-inner { max-width: var(--layout-width); margin: 0 auto }

.footer-brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  color: var(--text);
  margin-bottom: 6px;
  transition: color 0.4s var(--ease);
}

.footer-copy { margin-bottom: 4px }

.footer-extra { margin-top: 8px; font-size: 12px; opacity: 0.7 }
.footer-beian { margin-top: 4px; font-size: 12px; opacity: 0.7 }
.footer-beian a { color: var(--muted); transition: color 0.2s var(--ease) }
.footer-beian a:hover { color: var(--primary) }
.footer-runtime { margin-top: 4px; font-size: 12px; opacity: 0.7 }

.site-footer a {
  color: var(--primary);
  transition: color 0.2s var(--ease);
}

.site-footer a:hover { color: var(--primary-hover) }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 40px;
  padding: 9px 22px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all 0.25s var(--ease);
}

.btn-primary {
  background: linear-gradient(135deg, var(--sakura), var(--sakura-deep));
  color: #fff;
  box-shadow: 0 2px 8px rgba(255, 143, 177, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--sakura-deep), var(--sakura-dark));
  box-shadow: 0 4px 16px rgba(255, 143, 177, 0.4);
  transform: translateY(-1px);
  text-decoration: none;
  color: #fff;
}

.page-title {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text);
  position: relative;
  display: inline-block;
}

.page-title::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 40px;
  height: 3px;
  background: linear-gradient(90deg, var(--sakura), transparent);
  border-radius: 2px;
}

.category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.category-tabs .tag {
  padding: 6px 16px;
  font-size: 13px;
  max-width: 200px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.category-tabs .tag.active {
  background: linear-gradient(135deg, var(--sakura), var(--sakura-deep));
  color: #fff !important;
  border-color: transparent;
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--muted);
}

.empty-state .empty-icon {
  font-size: 48px;
  margin-bottom: 12px;
  opacity: 0.5;
}

.note-card {
  background: var(--panel);
  backdrop-filter: var(--blur);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-card);
  transition: all 0.3s var(--ease);
  position: relative;
  overflow: hidden;
}

.note-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--sakura), var(--sakura-deep));
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}

.note-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.note-card:hover::before { opacity: 1 }

.note-card h2 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.note-card .post-meta { margin-bottom: 8px }
.note-card .post-summary { margin-bottom: 0 }

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.field { margin-bottom: 14px }

.field label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
  font-weight: 500;
}

.input, .textarea {
  width: 100%;
  border: 1px solid var(--line-solid);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 14px;
  background: var(--panel);
  color: var(--text);
  transition: all 0.25s var(--ease);
}

.input:focus, .textarea:focus {
  border-color: var(--sakura);
  box-shadow: 0 0 0 3px var(--primary-glow);
  outline: none;
}

.textarea {
  min-height: 120px;
  resize: vertical;
}

.scroll-reveal {
  opacity: 0;
  transform: translateY(24px) scale(0.985);
  filter: blur(4px);
  transition:
    opacity 0.65s var(--ease),
    transform 0.65s var(--ease),
    filter 0.65s var(--ease);
  transition-delay: var(--reveal-delay, 0s);
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px) }
  to { opacity: 1; transform: translateY(0) }
}

@keyframes fadeIn {
  from { opacity: 0 }
  to { opacity: 1 }
}

@keyframes heroFloat {
  0%, 100% { transform: translate(0, 0) }
  25% { transform: translate(2%, -1%) }
  50% { transform: translate(-1%, 2%) }
  75% { transform: translate(1%, -2%) }
}

@keyframes blink {
  0%, 100% { opacity: 1 }
  50% { opacity: 0 }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(30px) }
  to { opacity: 1; transform: translateX(0) }
}

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

@media (max-width: 1024px) {
  .layout-with-sidebar {
    grid-template-columns: 1fr;
  }
  .hero-title { font-size: 36px }
  .search-dropdown { width: 320px }
}

@media (max-width: 768px) {
  :root {
    --radius: 16px;
    --radius-sm: 10px;
  }

  .site-nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--panel-solid);
    backdrop-filter: var(--blur);
    flex-direction: column;
    padding: 16px;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    z-index: 99;
  }

  .site-nav.open { display: flex }

  .site-nav a {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 15px;
  }

  .mobile-nav-btn { display: grid; place-items: center }
  .header-center { display: none }

  .hero { min-height: 80vh }
  .hero-title { font-size: 28px }

  .container { padding: 20px 16px }

  .article-content {
    padding: 24px 20px;
    border-radius: var(--radius);
  }

  .post-card-body { padding: 16px }

  .link-card { padding: 14px 16px }

  .hero-search-form { margin: 0 16px }
}

@media (max-width: 480px) {
  .hero-title { font-size: 24px }
  .hero-subtitle { font-size: 15px }
  .hero { min-height: 70vh }
  .article-content { padding: 20px 16px }
  .article-content h1 { font-size: 24px }
  .post-card h2 { font-size: 15px }
  .field-grid { grid-template-columns: 1fr }
  .hero-search-input { padding: 12px 16px }
}

/* Sakura Blog V5 RC front page refinements */
body {
  min-height: 100svh;
}

.solid-header-page .site-header {
  background: rgba(255, 255, 255, 0.86);
  color: var(--text);
  box-shadow: 0 1px 16px rgba(45, 55, 72, 0.08);
  border-bottom: 1px solid rgba(255, 183, 197, 0.16);
}

body.dark.solid-header-page .site-header {
  background: rgba(18, 20, 26, 0.88);
  color: var(--text);
  border-bottom-color: rgba(255, 143, 177, 0.12);
}

.solid-header-page .site-header .site-logo {
  color: var(--text);
}

.solid-header-page .site-header .site-nav a,
.solid-header-page .site-header .nav-auth-links a {
  color: var(--text-secondary);
}

.solid-header-page .site-header .site-nav a.nav-admin {
  color: var(--sakura-deep);
}

.solid-header-page .site-header .site-nav a.nav-user {
  color: var(--sakura-deep);
}

.solid-header-page .site-header .nav-auth-links .nav-auth-sep {
  color: var(--muted);
}

.solid-header-page .site-header .search-trigger,
.solid-header-page .site-header .theme-toggle,
.solid-header-page .site-header .mobile-nav-btn {
  color: var(--text-secondary);
  border-color: var(--line);
  background: var(--primary-glow);
}

.home-hero-page .site-header {
  background: transparent;
  box-shadow: none;
  border-bottom-color: transparent;
}

.home-hero-page .site-header.scrolled {
  background: rgba(18, 20, 26, 0.24);
  box-shadow: 0 1px 18px rgba(0, 0, 0, 0.12);
  border-bottom-color: rgba(255, 255, 255, 0.14);
}

body.dark.home-hero-page .site-header.scrolled {
  background: rgba(18, 20, 26, 0.42);
  border-bottom-color: rgba(255, 143, 177, 0.14);
}

.home-hero-page .site-header.scrolled .site-logo,
.home-hero-page .site-header.scrolled .site-nav a,
.home-hero-page .site-header.scrolled .nav-auth-links a {
  color: rgba(255, 255, 255, 0.92);
}

.home-hero-page .site-header.scrolled .nav-auth-links .nav-auth-sep {
  color: rgba(255, 255, 255, 0.45);
}

.home-hero-page .site-header.scrolled .search-trigger,
.home-hero-page .site-header.scrolled .theme-toggle,
.home-hero-page .site-header.scrolled .mobile-nav-btn {
  color: rgba(255, 255, 255, 0.88);
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.12);
}

.header-inner {
  max-width: none;
  padding-left: clamp(18px, 3vw, 44px);
  padding-right: clamp(18px, 3vw, 44px);
  gap: 14px;
}

.header-center {
  margin-left: auto;
  flex: 0 0 auto;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 4px;
  flex-shrink: 0;
}

.site-nav {
  margin-left: auto;
}

.nav-auth-links {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: 14px;
  padding-left: 14px;
  border-left: 1px solid rgba(255, 255, 255, 0.28);
}

.site-header.scrolled .nav-auth-links,
.solid-header-page .nav-auth-links {
  border-left-color: var(--line);
}

.hero {
  height: 100svh;
  min-height: 100svh;
  transition: height 0.78s cubic-bezier(.2,.8,.2,1), min-height 0.78s cubic-bezier(.2,.8,.2,1);
  will-change: height;
}

.hero.hero-collapsed {
  height: 50svh;
  min-height: 50svh;
}

.hero.hero-collapsed .hero-inner {
  transform: translateY(0);
}

.hero.hero-collapsed .hero-title {
  font-size: 42px;
}

.hero-scroll-hint {
  transition: opacity .3s var(--ease), transform .3s var(--ease);
}

.hero.hero-collapsed .hero-scroll-hint {
  opacity: 0;
  transform: translate(-50%, 12px);
  pointer-events: none;
}

.site-footer {
  margin-top: auto;
}

.footer-extra,
.footer-beian,
.footer-runtime {
  overflow-wrap: anywhere;
}

.header-actions .search-wrapper {
  position: relative;
}

.header-actions .search-dropdown {
  left: auto;
  right: 0;
  transform: translateY(-8px);
}

.header-actions .search-dropdown.open {
  transform: translateY(0);
}

.category-tabs .tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  max-width: min(230px, 100%);
  min-width: 0;
}

.category-tabs .tag .tag-name {
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow-wrap: anywhere;
  word-break: break-word;
  line-height: 1.35;
  min-width: 0;
}

.category-tabs .tag .tag-count {
  flex-shrink: 0;
}

.pagination {
  gap: 10px;
}

.pagination a {
  min-width: 116px;
  justify-content: center;
}

@media (max-width: 768px) {
  .solid-header-page .site-nav,
  .home-hero-page .site-header.scrolled .site-nav {
    background: var(--panel-solid);
  }

  .solid-header-page .site-nav a,
  .home-hero-page .site-header.scrolled .site-nav a,
  .solid-header-page .site-nav .nav-auth-links a,
  .home-hero-page .site-header.scrolled .site-nav .nav-auth-links a {
    color: var(--text-secondary);
  }

  .solid-header-page .site-nav .nav-auth-sep,
  .home-hero-page .site-header.scrolled .site-nav .nav-auth-sep {
    color: var(--muted);
  }

  .home-hero-page .site-header:not(.scrolled) .site-nav.open {
    background: rgba(255, 255, 255, 0.18);
  }

  .hero,
  .hero.hero-collapsed {
    height: 72svh;
    min-height: 72svh;
  }

  .hero.hero-collapsed {
    height: 46svh;
    min-height: 46svh;
  }

  .nav-auth-links {
    margin-left: 0;
    padding-left: 0;
    border-left: 0;
  }
}

/* Phase A stability overrides */
.hero.hero-locked,
.hero.hero-collapsed {
  height: 50svh;
  min-height: 50svh;
  max-height: 50svh;
}

.post-card[data-href] {
  cursor: pointer;
}

.post-card[data-href]:focus-visible {
  outline: 3px solid var(--primary-glow);
  outline-offset: 3px;
  border-color: var(--sakura);
}

.post-card[data-href] a,
.post-card[data-href] button {
  cursor: pointer;
}

.category-tabs {
  min-width: 0;
  align-items: stretch;
}

.category-tabs .tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-width: 0;
  max-width: min(100%, 240px);
  white-space: normal;
  overflow: hidden;
  line-height: 1.35;
  overflow-wrap: anywhere;
  word-break: break-word;
  text-align: center;
}

.category-tabs .tag .tag-name {
  min-width: 0;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.category-tabs .tag .tag-count {
  flex: 0 0 auto;
}

@media (max-width: 768px) {
  .hero.hero-locked,
  .hero.hero-collapsed {
    height: 50svh;
    min-height: 50svh;
    max-height: 50svh;
  }

  .category-tabs .tag {
    max-width: 100%;
    flex: 1 1 calc(50% - 8px);
  }
}