/* ==========================================================================
   Aurora 极光 — Halo 个人主页主题
   Mobile-first · Dark / Light · Designer × Geek
   ========================================================================== */

/* ---------- Fonts (self-hosted) ---------- */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("../fonts/inter-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("../fonts/inter-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
    U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020,
    U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url("../fonts/space-grotesk-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url("../fonts/space-grotesk-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
    U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020,
    U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* ---------- Design tokens ---------- */
:root {
  --font-sans: "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: "Space Grotesk", "Inter", "PingFang SC", "Microsoft YaHei",
    system-ui, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", Menlo, Consolas,
    monospace;

  --container: 1180px;
  --pad: clamp(20px, 5vw, 56px);
  --header-h: 56px;

  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;

  --accent: #7c6bff;
  --accent-2: #2ee6ff;
  --accent-soft: rgba(124, 107, 255, 0.16);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

[data-theme="dark"] {
  --bg: #07070b;
  --bg-soft: #0b0b12;
  --panel: rgba(255, 255, 255, 0.045);
  --panel-2: rgba(255, 255, 255, 0.08);
  --glass: rgba(10, 10, 18, 0.72);
  --glass-strong: rgba(10, 10, 18, 0.92);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.18);
  --text: #f4f4f7;
  --text-soft: #c7c7d2;
  --muted: #8b8b9d;
  --stroke: rgba(255, 255, 255, 0.32);
  --grid: rgba(255, 255, 255, 0.045);
  --code-bg: #0c0c15;
  --shadow-sm: 0 10px 30px -16px rgba(0, 0, 0, 0.8);
  --shadow-md: 0 24px 60px -28px rgba(0, 0, 0, 0.9);
  --shadow-lg: 0 50px 120px -50px rgba(0, 0, 0, 1);
  --glow: 0 0 0 1px rgba(124, 107, 255, 0.2), 0 20px 70px -30px rgba(124, 107, 255, 0.65);
  color-scheme: dark;
}

[data-theme="light"] {
  --bg: #f6f6f9;
  --bg-soft: #efeff4;
  --panel: rgba(255, 255, 255, 0.66);
  --panel-2: rgba(255, 255, 255, 0.9);
  --glass: rgba(255, 255, 255, 0.7);
  --glass-strong: rgba(255, 255, 255, 0.94);
  --border: rgba(12, 12, 24, 0.09);
  --border-strong: rgba(12, 12, 24, 0.18);
  --text: #0c0c14;
  --text-soft: #33333f;
  --muted: #6d6d7e;
  --stroke: rgba(12, 12, 24, 0.28);
  --grid: rgba(12, 12, 24, 0.05);
  --code-bg: #101018;
  --shadow-sm: 0 10px 30px -18px rgba(20, 20, 40, 0.35);
  --shadow-md: 0 24px 60px -30px rgba(20, 20, 40, 0.35);
  --shadow-lg: 0 50px 110px -50px rgba(20, 20, 40, 0.45);
  --glow: 0 0 0 1px rgba(124, 107, 255, 0.18), 0 22px 60px -30px rgba(124, 107, 255, 0.5);
  color-scheme: light;
}

/* ---------- Reset & base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 28px);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: background-color 0.4s ease, color 0.4s ease;
}

body.drawer-open {
  overflow: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-weight: 600;
  color: var(--text);
}

p {
  margin: 0;
}

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

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

svg {
  display: block;
  flex: none;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

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

:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 3px;
  border-radius: 6px;
}

::-webkit-scrollbar {
  width: 9px;
  height: 9px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--muted);
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 50%;
  z-index: 300;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 0.85rem;
  transform: translate(-50%, -160%);
  transition: transform 0.3s var(--ease);
}
.skip-link:focus {
  transform: translate(-50%, 0);
}

.container {
  width: 100%;
  max-width: calc(var(--container) + var(--pad) * 2);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.site-main {
  position: relative;
  z-index: 1;
}

/* ---------- Backdrop: aurora / grid / grain ---------- */
.backdrop {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.backdrop-aurora {
  position: absolute;
  inset: 0;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.45;
  will-change: transform;
}
[data-theme="light"] .blob {
  opacity: 0.22;
  filter: blur(100px);
}
.blob-1 {
  width: 46vw;
  height: 46vw;
  min-width: 340px;
  min-height: 340px;
  top: -14vw;
  left: -8vw;
  background: radial-gradient(circle, var(--accent), transparent 68%);
  animation: drift-a 22s ease-in-out infinite alternate;
}
.blob-2 {
  width: 38vw;
  height: 38vw;
  min-width: 280px;
  min-height: 280px;
  top: 18vh;
  right: -10vw;
  background: radial-gradient(circle, var(--accent-2), transparent 68%);
  animation: drift-b 26s ease-in-out infinite alternate;
}
.blob-3 {
  width: 34vw;
  height: 34vw;
  min-width: 260px;
  min-height: 260px;
  bottom: -12vw;
  left: 28vw;
  background: radial-gradient(circle, #ff6bc7, transparent 68%);
  opacity: 0.22;
  animation: drift-c 30s ease-in-out infinite alternate;
}
[data-theme="light"] .blob-3 {
  opacity: 0.12;
}

.backdrop-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(to right, var(--grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 0%, transparent 78%);
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 0%, transparent 78%);
}

.backdrop-grain {
  position: absolute;
  inset: -50%;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain-shift 0.9s steps(2) infinite;
}
[data-theme="light"] .backdrop-grain {
  opacity: 0.035;
}

.no-aurora .backdrop-aurora,
.no-grid .backdrop-grid,
.no-grain .backdrop-grain {
  display: none;
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 90;
  padding: 12px var(--pad);
  transition: padding 0.35s var(--ease), transform 0.45s var(--ease),
    opacity 0.35s ease;
  will-change: transform;
}
.site-header.is-hidden {
  transform: translateY(calc(-100% - 16px));
  opacity: 0;
  pointer-events: none;
}

.header-shell {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
}

.header-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: var(--header-h);
  padding: 5px 6px 5px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--glass);
  -webkit-backdrop-filter: blur(18px) saturate(170%);
  backdrop-filter: blur(18px) saturate(170%);
  transition: background-color 0.35s ease, box-shadow 0.35s ease,
    border-color 0.35s ease;
}

.site-header.is-scrolled {
  padding-top: 8px;
}
.site-header.is-scrolled .header-bar {
  background: var(--glass-strong);
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  flex: none;
  padding: 4px;
  border-radius: 999px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #07070b;
  box-shadow: 0 8px 24px -10px var(--accent);
  transition: transform 0.5s var(--ease);
}
.brand-mark svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  stroke: none;
}
.brand:hover .brand-mark {
  transform: rotate(90deg) scale(1.06);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.brand-title {
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.brand-sub {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.22em;
  color: var(--muted);
  white-space: nowrap;
}

/* Desktop navigation */
.nav-pill {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-inline: auto;
  padding: 4px;
  border-radius: 999px;
}
.nav-item {
  position: relative;
  display: flex;
  align-items: center;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.83rem;
  font-weight: 500;
  line-height: 1.2;
  color: var(--muted);
  white-space: nowrap;
  transition: color 0.25s ease, background-color 0.25s ease,
    box-shadow 0.25s ease;
}
.nav-link:hover,
.nav-link:focus-visible {
  color: var(--text);
  background: var(--panel-2);
}
.nav-link.is-active {
  color: var(--text);
  background: var(--accent-soft);
  box-shadow: inset 0 0 0 1px rgba(124, 107, 255, 0.35);
}

.nav-item.has-children .nav-link {
  padding-right: 30px;
}
.nav-caret {
  position: absolute;
  top: 50%;
  right: 11px;
  display: grid;
  place-items: center;
  width: 12px;
  height: 12px;
  color: var(--muted);
  transform: translateY(-50%);
  pointer-events: none;
  transition: transform 0.3s var(--ease), color 0.25s ease;
}
.nav-caret svg {
  width: 12px;
  height: 12px;
}
.nav-item.has-children:hover .nav-caret,
.nav-item.has-children:focus-within .nav-caret {
  color: var(--text);
  transform: translateY(-50%) rotate(180deg);
}

.nav-dropdown {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  z-index: 30;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 200px;
  padding: 6px;
  border: 1px solid var(--border-strong);
  border-radius: 16px;
  background: var(--glass-strong);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  backdrop-filter: blur(22px) saturate(180%);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 8px) scale(0.97);
  transform-origin: top center;
  transition: opacity 0.28s ease, transform 0.28s var(--ease),
    visibility 0.28s;
}
.nav-dropdown::before {
  content: "";
  position: absolute;
  top: -14px;
  left: 0;
  right: 0;
  height: 14px;
}
.nav-item.has-children:hover .nav-dropdown,
.nav-item.has-children:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0) scale(1);
}
.nav-dropdown-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 9px 12px;
  border-radius: 10px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-soft);
  transition: color 0.22s ease, background-color 0.22s ease;
}
.nav-dropdown-item:hover,
.nav-dropdown-item:focus-visible {
  color: var(--text);
  background: var(--panel-2);
}
.nav-dropdown-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.nav-dropdown-icon {
  display: grid;
  place-items: center;
  width: 14px;
  height: 14px;
  color: var(--muted);
  opacity: 0.7;
}
.nav-dropdown-icon svg {
  width: 14px;
  height: 14px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: none;
  margin-left: auto;
}

.icon-btn {
  position: relative;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid transparent;
  border-radius: 50%;
  color: var(--text-soft);
  background: transparent;
  transition: color 0.25s ease, background-color 0.25s ease,
    border-color 0.25s ease, transform 0.25s ease;
}
.icon-btn:hover {
  color: var(--text);
  background: var(--panel-2);
  border-color: var(--border);
  transform: translateY(-1px);
}
.icon-btn svg {
  width: 19px;
  height: 19px;
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  grid-area: 1 / 1;
  display: none;
}
.theme-toggle .icon-sun svg {
  width: 18px;
  height: 18px;
}
[data-theme="dark"] .theme-toggle .icon-sun {
  display: block;
}
[data-theme="light"] .theme-toggle .icon-moon {
  display: block;
}

.menu-toggle {
  display: none;
}
.menu-toggle .icon-open,
.menu-toggle .icon-close {
  grid-area: 1 / 1;
  display: none;
}
.menu-toggle .icon-open {
  display: block;
}
body.drawer-open .menu-toggle .icon-open {
  display: none;
}
body.drawer-open .menu-toggle .icon-close {
  display: block;
}

/* ---------- Mobile drawer ---------- */
.mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: 80;
  padding: calc(var(--header-h) + 30px) var(--pad)
    calc(30px + env(safe-area-inset-bottom));
  overflow-y: auto;
  overscroll-behavior: contain;
  background: var(--bg);
  background-image: radial-gradient(
    90% 46% at 50% 0%,
    var(--accent-soft),
    transparent 72%
  );
  opacity: 0;
  visibility: hidden;
  transform: translateY(-14px);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease),
    visibility 0.4s;
}
body.drawer-open .mobile-drawer {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.drawer-inner {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 560px;
  min-height: 100%;
  margin-inline: auto;
}

.drawer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 22px;
}
.drawer-eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.26em;
  color: var(--muted);
}
.drawer-search {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--panel);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-soft);
  transition: border-color 0.25s ease, color 0.25s ease;
}
.drawer-search:hover {
  border-color: var(--border-strong);
  color: var(--text);
}
.drawer-search svg {
  width: 16px;
  height: 16px;
}

.drawer-nav {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border);
}
.drawer-group {
  border-bottom: 1px solid var(--border);
}
.drawer-group > a {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 16px 4px;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 5.6vw, 1.65rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  transition: color 0.25s ease, padding-left 0.35s var(--ease);
}
.drawer-group > a:hover {
  color: var(--accent-2);
  padding-left: 12px;
}
.drawer-group > a.is-active {
  color: var(--accent-2);
}
.drawer-index {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.12em;
  color: var(--muted);
}
.drawer-arrow {
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  color: var(--muted);
  transition: color 0.25s ease, transform 0.35s var(--ease);
}
.drawer-arrow svg {
  width: 18px;
  height: 18px;
}
.drawer-group > a:hover .drawer-arrow {
  color: var(--accent-2);
  transform: translate(2px, -2px);
}
.drawer-children {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 0 14px 32px;
}
.drawer-children a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 4px;
  font-family: var(--font-sans);
  font-size: 0.86rem;
  color: var(--muted);
  transition: color 0.22s ease;
}
.drawer-children a:hover {
  color: var(--accent-2);
}
.drawer-child-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--border-strong);
}

.drawer-foot {
  margin-top: auto;
  padding-top: 34px;
}
.drawer-mail {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--accent-2);
  word-break: break-all;
}
.drawer-socials {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}
.drawer-socials a {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-soft);
  background: var(--panel);
  transition: color 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}
.drawer-socials a:hover {
  color: var(--accent-2);
  border-color: var(--accent);
  transform: translateY(-2px);
}
.drawer-socials svg {
  width: 17px;
  height: 17px;
}

/* ---------- Scroll to top ---------- */
.scroll-fab {
  position: fixed;
  right: clamp(16px, 3vw, 30px);
  bottom: calc(clamp(16px, 3vw, 30px) + env(safe-area-inset-bottom));
  z-index: 70;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--glass-strong);
  color: var(--text-soft);
  -webkit-backdrop-filter: blur(16px) saturate(170%);
  backdrop-filter: blur(16px) saturate(170%);
  box-shadow: var(--shadow-sm);
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px) scale(0.94);
  transition: opacity 0.3s ease, transform 0.35s var(--ease),
    visibility 0.3s, border-color 0.25s ease, color 0.25s ease;
}
.scroll-fab.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
}
.scroll-fab:hover {
  color: var(--accent-2);
  border-color: var(--accent);
}
.scroll-fab svg {
  width: 18px;
  height: 18px;
}


/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 13px 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease),
    background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}
.btn svg {
  width: 17px;
  height: 17px;
  transition: transform 0.35s var(--ease);
}

.btn-primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #08080d;
  box-shadow: 0 16px 40px -18px var(--accent);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 24px 60px -20px var(--accent);
}
.btn-primary:hover svg {
  transform: translate(2px, -2px);
}

.btn-ghost {
  border-color: var(--border-strong);
  background: var(--panel);
  color: var(--text);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover {
  border-color: var(--accent);
  background: var(--panel-2);
  transform: translateY(-2px);
}
.btn-ghost:hover svg {
  transform: translateX(3px);
}

.btn-sm {
  min-height: 40px;
  padding: 9px 16px;
  font-size: 0.82rem;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 100svh;
  padding: calc(var(--header-h) + clamp(36px, 8vh, 84px)) 0
    clamp(36px, 6vh, 64px);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -30%;
  left: 50%;
  width: 120%;
  height: 110%;
  transform: translateX(-50%);
  background: radial-gradient(
    55% 55% at 50% 45%,
    var(--accent-soft),
    transparent 72%
  );
  pointer-events: none;
}

.hero-shell {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  align-items: center;
  gap: clamp(32px, 5vw, 72px);
}

.hero-copy {
  position: relative;
  z-index: 2;
  min-width: 0;
}

.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: clamp(16px, 3vh, 28px);
  padding: 7px 15px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--panel);
  font-size: 0.76rem;
  color: var(--text-soft);
  letter-spacing: 0.04em;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #39d98a;
  box-shadow: 0 0 0 0 rgba(57, 217, 138, 0.55);
  animation: pulse 2.4s infinite;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--muted);
}
.eyebrow-line {
  width: 42px;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.hero-title {
  margin-bottom: 18px;
}
.hero-name {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.9rem, 8.4vw, 6.6rem);
  font-weight: 600;
  line-height: 0.94;
  letter-spacing: -0.05em;
  background: linear-gradient(180deg, var(--text) 36%, var(--text-soft));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-name-en {
  display: block;
  margin-top: 14px;
  font-family: var(--font-display);
  font-size: clamp(0.92rem, 2.2vw, 1.4rem);
  font-weight: 500;
  letter-spacing: 0.38em;
  color: transparent;
  -webkit-text-stroke: 1px var(--stroke);
  word-break: break-word;
}

.hero-tagline {
  max-width: 26ch;
  margin-bottom: 18px;
  font-size: clamp(1.02rem, 1.9vw, 1.3rem);
  font-weight: 500;
  line-height: 1.55;
  color: var(--text-soft);
}

.hero-typewriter {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  max-width: 100%;
  margin-bottom: 22px;
  padding: 8px 15px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--panel);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-soft);
}
.tw-prompt {
  color: var(--accent-2);
  font-weight: 700;
}
.tw-text {
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.tw-caret {
  width: 2px;
  height: 1.05em;
  background: var(--accent-2);
  animation: blink 1.05s step-end infinite;
}

.hero-desc {
  max-width: 54ch;
  margin-bottom: 30px;
  font-size: 0.98rem;
  line-height: 1.78;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 30px;
}

.hero-socials {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}
.social-link {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--panel);
  color: var(--text-soft);
  transition: color 0.28s ease, border-color 0.28s ease,
    transform 0.28s var(--ease), background-color 0.28s ease;
}
.social-link:hover {
  color: var(--accent-2);
  border-color: var(--accent);
  background: var(--panel-2);
  transform: translateY(-3px);
}
.social-link svg {
  width: 17px;
  height: 17px;
}

/* Portrait */
.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-width: 0;
}

.portrait-wrap {
  position: relative;
  width: min(100%, 412px);
  margin-inline: auto;
}

.portrait-orbit {
  position: absolute;
  inset: -13% -11%;
  pointer-events: none;
}
.orbit-ring {
  position: absolute;
  inset: 0;
  border: 1px dashed var(--border-strong);
  border-radius: 50%;
  opacity: 0.6;
}
.ring-1 {
  animation: spin 28s linear infinite;
}
.ring-2 {
  inset: 9%;
  border-style: solid;
  opacity: 0.35;
  animation: spin 40s linear infinite reverse;
}

.portrait-card {
  position: relative;
  z-index: 2;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background: var(--panel);
  box-shadow: var(--shadow-lg);
  transition: transform 0.7s var(--ease), box-shadow 0.7s var(--ease);
}
.portrait-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(124, 107, 255, 0.25),
    0 30px 90px -40px var(--accent);
}

.portrait-media {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: linear-gradient(160deg, #17172e, #08080e);
}
.portrait-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.015);
  transition: transform 0.9s var(--ease), filter 0.6s ease;
}
.portrait-card:hover .portrait-media img {
  transform: scale(1.055);
}

.portrait-sheen {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.12) 0%,
    transparent 28%,
    transparent 58%,
    rgba(7, 7, 11, 0.5) 100%
  );
  pointer-events: none;
}
.portrait-frame {
  position: absolute;
  inset: 11px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: calc(var(--radius-xl) - 10px);
  pointer-events: none;
}

.portrait-caption {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 13px 18px;
  border-top: 1px solid var(--border);
  background: var(--panel-2);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
.portrait-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 12px var(--accent);
}

.portrait-fallback {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 30% 20%, #23233f, #0a0a12 70%);
}
.fallback-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 34px 34px;
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000, transparent 72%);
  mask-image: radial-gradient(circle at 50% 50%, #000, transparent 72%);
}
.fallback-initial {
  position: relative;
  font-family: var(--font-display);
  font-size: clamp(6rem, 16vw, 11rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.06em;
  background: linear-gradient(160deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  opacity: 0.92;
}

/* 浅色模式下的人像占位与描边，避免出现突兀的深色卡片 */
[data-theme="light"] .portrait-media {
  background: linear-gradient(160deg, #ececf8, #dcdced);
}
[data-theme="light"] .portrait-fallback {
  background: radial-gradient(circle at 30% 20%, #f3f3fb, #dedef0 72%);
}
[data-theme="light"] .fallback-grid {
  background-image: linear-gradient(rgba(12, 12, 24, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(12, 12, 24, 0.07) 1px, transparent 1px);
}
[data-theme="light"] .portrait-frame {
  border-color: rgba(12, 12, 24, 0.12);
}
[data-theme="light"] .portrait-sheen {
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.55) 0%,
    transparent 30%,
    transparent 62%,
    rgba(12, 12, 24, 0.16) 100%
  );
}

.float-card {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 15px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--glass-strong);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  backdrop-filter: blur(16px) saturate(160%);
  box-shadow: var(--shadow-md);
  font-size: 0.78rem;
  color: var(--text-soft);
  white-space: nowrap;
  animation: float 6.5s ease-in-out infinite;
}
.float-card svg {
  width: 16px;
  height: 16px;
  color: var(--accent-2);
  flex: none;
}
.float-location {
  left: -8%;
  bottom: 15%;
}
.float-stat {
  right: -7%;
  top: 10%;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
  animation-delay: 1.6s;
}
.float-stat strong {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 600;
  line-height: 1.1;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.float-stat span {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}
.float-edu {
  left: -8%;
  top: 5%;
  align-items: flex-start;
  gap: 9px;
  max-width: 220px;
  white-space: normal;
  animation-delay: 0.9s;
}
.float-edu-icon {
  display: grid;
  place-items: center;
  flex: none;
  width: 27px;
  height: 27px;
  border-radius: 9px;
  background: var(--accent-soft);
  color: var(--accent-2);
}
.float-edu-icon svg {
  width: 15px;
  height: 15px;
}
.float-edu-text {
  display: flex;
  flex-direction: column;
  line-height: 1.35;
}
.float-edu-text strong {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
}
.float-edu-text span {
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: 0.57rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.fact-sub {
  display: block;
  margin-top: 2px;
  font-size: 0.72rem;
  line-height: 1.4;
  color: var(--muted);
}

.hero-scroll {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-top: clamp(28px, 5vh, 56px);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}
.scroll-track {
  position: relative;
  width: 1px;
  height: 42px;
  background: var(--border-strong);
  overflow: hidden;
}
.scroll-thumb {
  position: absolute;
  left: 0;
  top: -14px;
  width: 1px;
  height: 14px;
  background: linear-gradient(180deg, transparent, var(--accent-2));
  animation: scroll-down 2.2s var(--ease) infinite;
}

/* ---------- Marquee ---------- */
.marquee {
  position: relative;
  z-index: 1;
  padding: 18px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  -webkit-mask-image: linear-gradient(
    90deg,
    transparent,
    #000 8%,
    #000 92%,
    transparent
  );
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 34s linear infinite;
}
.marquee:hover .marquee-track {
  animation-play-state: paused;
}
.marquee-group {
  display: flex;
  align-items: center;
  gap: clamp(26px, 4vw, 54px);
  padding-right: clamp(26px, 4vw, 54px);
}
.marquee-item {
  font-family: var(--font-display);
  font-size: clamp(0.95rem, 1.8vw, 1.3rem);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}
.marquee-spark {
  color: var(--accent);
  font-size: 0.9rem;
}
.marquee-group .marquee-spark:last-child {
  margin-left: 0;
}

/* ---------- Sections ---------- */
.section {
  position: relative;
  z-index: 1;
  padding: clamp(68px, 11vh, 132px) 0;
}
.section + .section {
  padding-top: 0;
}

.section-head {
  margin-bottom: clamp(30px, 5vw, 54px);
}

.section-kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
}
.kicker-index {
  color: var(--accent-2);
}
.kicker-line {
  width: 44px;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.section-title-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.6vw, 3.35rem);
  font-weight: 600;
  line-height: 1.06;
  letter-spacing: -0.035em;
}
.section-sub {
  max-width: 36ch;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  line-height: 1.7;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: right;
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.32fr) minmax(0, 0.68fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
}
.about-lead {
  font-size: clamp(1.12rem, 2vw, 1.55rem);
  line-height: 1.78;
  color: var(--text-soft);
  white-space: pre-line;
}
.about-copy .text-link {
  margin-top: 26px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent-2);
  transition: gap 0.3s var(--ease), color 0.3s ease;
}
.text-link svg {
  width: 16px;
  height: 16px;
}
.text-link:hover {
  gap: 12px;
  color: var(--accent);
}

.about-side {
  padding-left: clamp(20px, 3vw, 40px);
  border-left: 1px solid var(--border);
}
.fact-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--border);
}
.fact-row:first-child {
  padding-top: 0;
}
.fact-label {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.fact-value {
  min-width: 0;
  font-size: 0.9rem;
  color: var(--text);
  text-align: right;
  word-break: break-word;
}
.fact-mail {
  color: var(--accent-2);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease;
}
.fact-mail:hover {
  border-color: var(--accent-2);
}
.fact-socials {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 7px;
}
.fact-socials a {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-soft);
  transition: color 0.25s ease, border-color 0.25s ease;
}
.fact-socials a:hover {
  color: var(--accent-2);
  border-color: var(--accent);
}
.fact-socials svg {
  width: 14px;
  height: 14px;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  margin-top: clamp(36px, 6vw, 64px);
  border-top: 1px solid var(--border);
}
.stat {
  padding: 26px 24px 26px 0;
  border-right: 1px solid var(--border);
}
.stat:last-child {
  border-right: 0;
}
.stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.04em;
  background: linear-gradient(150deg, var(--text), var(--muted));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-label {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- Skills ---------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 22px);
}
.skill-card {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 2.4vw, 28px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--panel);
  transition: transform 0.5s var(--ease), border-color 0.4s ease,
    background-color 0.4s ease, box-shadow 0.5s var(--ease);
}
.skill-card::before {
  content: "";
  position: absolute;
  top: -45%;
  right: -35%;
  width: 75%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-soft), transparent 68%);
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
}
.skill-card:hover {
  transform: translateY(-5px);
  border-color: rgba(124, 107, 255, 0.35);
  box-shadow: var(--shadow-md);
}
.skill-card:hover::before {
  opacity: 1;
}
.skill-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 18px;
}
.skill-index {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}
.skill-cat {
  padding: 3px 9px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.skill-name {
  margin-bottom: 20px;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.skill-bar {
  position: relative;
  height: 4px;
  border-radius: 999px;
  background: var(--panel-2);
  overflow: hidden;
}
.skill-fill {
  display: block;
  width: var(--level, 0%);
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 18px -2px var(--accent);
}
.skill-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  color: var(--muted);
}
.skill-level {
  color: var(--text-soft);
}

/* ---------- Toolbox ---------- */
.toolbox {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 18px 40px;
  margin-top: clamp(28px, 4vw, 46px);
  padding-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--border);
}
.toolbox-head {
  min-width: 170px;
}
.toolbox-title {
  font-size: 0.94rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.toolbox-sub {
  margin-top: 5px;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.toolbox-chips {
  display: flex;
  flex: 1;
  flex-wrap: wrap;
  gap: 8px;
  min-width: 0;
}
.tool-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--panel);
  font-size: 0.78rem;
  color: var(--text-soft);
  transition: transform 0.3s var(--ease), border-color 0.25s ease,
    color 0.25s ease;
}
.tool-chip:hover {
  transform: translateY(-2px);
  border-color: var(--border-strong);
  color: var(--text);
}
.tool-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.tool-cat {
  font-family: var(--font-mono);
  font-size: 0.54rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- Journey ---------- */
.journey-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(16px, 2.4vw, 28px);
}
.journey-col {
  padding: clamp(22px, 2.6vw, 34px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--panel);
  transition: border-color 0.3s ease, box-shadow 0.4s var(--ease);
}
.journey-col:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-sm);
}
.journey-col-head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}
.journey-icon {
  display: grid;
  place-items: center;
  flex: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 13px;
  background: var(--accent-soft);
  color: var(--accent-2);
}
.journey-icon svg {
  width: 21px;
  height: 21px;
}
.journey-label {
  font-family: var(--font-mono);
  font-size: 0.57rem;
  letter-spacing: 0.18em;
  color: var(--muted);
}
.journey-title {
  margin-top: 3px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.timeline {
  position: relative;
  margin-top: 20px;
  padding-left: 24px;
}
.timeline::before {
  content: "";
  position: absolute;
  top: 6px;
  bottom: 8px;
  left: 6px;
  width: 1px;
  background: linear-gradient(180deg, var(--border-strong), var(--border));
}
.timeline-item {
  position: relative;
  padding-bottom: 22px;
}
.timeline-item:last-child {
  padding-bottom: 0;
}
.timeline-dot {
  position: absolute;
  top: 7px;
  left: -23px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.timeline-name {
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.timeline-meta {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  color: var(--accent-2);
}
.timeline-desc {
  margin-top: 8px;
  font-size: 0.86rem;
  line-height: 1.72;
  color: var(--text-soft);
}

/* ---------- Services ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 22px);
}
.service-card {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 2.6vw, 32px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--panel);
  transition: transform 0.5s var(--ease), border-color 0.35s ease,
    box-shadow 0.5s var(--ease);
}
.service-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    120% 90% at 100% 0%,
    var(--accent-soft),
    transparent 62%
  );
  opacity: 0;
  transition: opacity 0.45s ease;
  pointer-events: none;
}
.service-card:hover {
  transform: translateY(-5px);
  border-color: rgba(124, 107, 255, 0.35);
  box-shadow: var(--shadow-md);
}
.service-card:hover::before {
  opacity: 1;
}
.service-top {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
}
.service-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: linear-gradient(150deg, var(--accent-soft), transparent);
  color: var(--accent-2);
  transition: transform 0.4s var(--ease);
}
.service-card:hover .service-icon {
  transform: rotate(-6deg) scale(1.04);
}
.service-icon svg {
  width: 22px;
  height: 22px;
}
.service-index {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}
.service-title {
  position: relative;
  font-family: var(--font-display);
  font-size: 1.14rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.service-desc {
  position: relative;
  margin-top: 9px;
  font-size: 0.87rem;
  line-height: 1.72;
  color: var(--text-soft);
}
.service-tags {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
}
.service-tags span {
  padding: 4px 9px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.57rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- Now ---------- */
.now-panel {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(24px, 4vw, 60px);
  overflow: hidden;
  padding: clamp(26px, 4vw, 54px);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg, var(--panel-2), var(--panel));
  box-shadow: var(--shadow-md);
}
.now-panel::before {
  content: "";
  position: absolute;
  top: -45%;
  right: -12%;
  width: 48%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-soft), transparent 70%);
  pointer-events: none;
}
.now-head,
.now-list {
  position: relative;
  z-index: 1;
}
.now-title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.45rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.035em;
}
.now-note {
  max-width: 42ch;
  margin-top: 14px;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--text-soft);
}
.now-list {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.now-item {
  display: grid;
  grid-template-columns: auto minmax(0, 0.72fr) minmax(0, 1.28fr);
  align-items: baseline;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--border);
}
.now-item:last-child {
  border-bottom: 0;
}
.now-index {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.now-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-2);
}
.now-value {
  font-size: 0.9rem;
  color: var(--text);
}

/* ---------- Works ---------- */
.works-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(16px, 2.2vw, 28px);
}
.work-card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background: var(--panel);
  transition: transform 0.55s var(--ease), border-color 0.4s ease,
    box-shadow 0.55s var(--ease);
}
.work-card:hover {
  transform: translateY(-6px);
  border-color: rgba(124, 107, 255, 0.4);
  box-shadow: var(--shadow-md);
}

.work-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--bg-soft);
}
.work-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.9s var(--ease);
}
.work-card:hover .work-media img {
  transform: scale(1.05);
}
.work-media-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(7, 7, 11, 0.32));
  pointer-events: none;
}

.work-fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: radial-gradient(circle at 70% 20%, #1d1d38, #0a0a12 72%);
}
.wf-index {
  position: absolute;
  top: 14px;
  left: 20px;
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.45);
}
.wf-orb {
  width: 46%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, var(--accent-2), var(--accent) 48%, transparent 72%);
  filter: blur(18px);
  opacity: 0.85;
  transition: transform 0.9s var(--ease);
}
.work-card:hover .wf-orb {
  transform: scale(1.14);
}
.wf-lines {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000, transparent 78%);
  mask-image: radial-gradient(circle at 50% 50%, #000, transparent 78%);
}

.work-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: clamp(20px, 2.6vw, 30px);
}
.work-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.work-year {
  color: var(--accent-2);
}
.work-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.work-tags span {
  padding: 3px 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
}
.work-title {
  margin-bottom: 10px;
  font-family: var(--font-display);
  font-size: clamp(1.18rem, 2vw, 1.5rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
}
.work-summary {
  margin-bottom: 20px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--muted);
}
.work-open {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-2);
  transition: gap 0.3s var(--ease);
}
.work-open svg {
  width: 15px;
  height: 15px;
}
.work-card:hover .work-open {
  gap: 12px;
}
.work-stretch {
  position: absolute;
  inset: 0;
  z-index: 5;
  border-radius: inherit;
}

.work-card.is-featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
}
.work-card.is-featured .work-media {
  height: 100%;
  min-height: 330px;
  aspect-ratio: auto;
}
.work-card.is-featured .work-body {
  justify-content: center;
  padding: clamp(26px, 3.4vw, 46px);
}
.work-card.is-featured .work-title {
  font-size: clamp(1.5rem, 3vw, 2.15rem);
}
.work-card.is-featured .work-summary {
  max-width: 42ch;
}

.section-cta {
  display: flex;
  justify-content: center;
  margin-top: clamp(28px, 4vw, 44px);
}

/* ---------- Post list ---------- */
.post-list {
  border-top: 1px solid var(--border);
}
.post-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: clamp(14px, 3vw, 30px);
  padding: clamp(20px, 2.8vw, 28px) clamp(6px, 1vw, 14px);
  border-bottom: 1px solid var(--border);
  border-radius: 14px;
  transition: background-color 0.35s ease, padding-left 0.35s var(--ease);
}
.post-item:hover {
  background: var(--panel);
  padding-left: clamp(12px, 2vw, 24px);
}
.post-item:hover .post-title {
  color: var(--accent-2);
}
.post-item:hover .post-arrow {
  color: var(--accent-2);
  border-color: var(--accent);
  transform: translate(2px, -2px);
}
.post-item:hover .post-index {
  color: var(--accent-2);
}

.post-index {
  align-self: start;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  transition: color 0.3s ease;
}
.post-body {
  min-width: 0;
}
.post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.meta-sep {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--border-strong);
}
.post-pinned {
  padding: 2px 7px;
  border: 1px solid rgba(124, 107, 255, 0.45);
  border-radius: 999px;
  color: var(--accent-2);
  font-size: 0.56rem;
}
.post-title {
  margin-top: 7px;
  font-size: clamp(1.1rem, 1.9vw, 1.42rem);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.015em;
  transition: color 0.3s ease;
}
.post-excerpt {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  margin-top: 7px;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--muted);
}
.post-thumb {
  width: clamp(92px, 12vw, 148px);
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel-2);
}
.post-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}
.post-item:hover .post-thumb img {
  transform: scale(1.06);
}
.post-arrow {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--muted);
  transition: color 0.3s ease, border-color 0.3s ease,
    transform 0.35s var(--ease);
}
.post-arrow svg {
  width: 17px;
  height: 17px;
}

.empty-note {
  padding: 48px 24px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-lg);
  font-size: 0.92rem;
  color: var(--muted);
  text-align: center;
}

/* ---------- Footer ---------- */
.site-footer {
  position: relative;
  z-index: 1;
  margin-top: clamp(60px, 10vh, 110px);
  border-top: 1px solid var(--border);
  background: linear-gradient(180deg, transparent, var(--bg-soft));
}
.footer-inner {
  padding-top: clamp(48px, 8vw, 92px);
}
.footer-cta {
  padding-bottom: clamp(40px, 6vw, 70px);
  border-bottom: 1px solid var(--border);
}
.eyebrow {
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.24em;
  color: var(--muted);
}
.footer-mail {
  display: inline-flex;
  align-items: center;
  gap: clamp(10px, 2vw, 22px);
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 5.6vw, 4.2rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.04em;
}
.footer-mail span {
  background: linear-gradient(120deg, var(--text) 30%, var(--muted));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  transition: background 0.4s ease;
}
.footer-mail svg {
  width: clamp(26px, 4vw, 42px);
  height: clamp(26px, 4vw, 42px);
  color: var(--accent-2);
  transition: transform 0.4s var(--ease), color 0.3s ease;
}
.footer-mail:hover span {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
}
.footer-mail:hover svg {
  transform: translate(4px, -4px);
  color: var(--accent);
}
.footer-motto {
  margin-top: 22px;
  font-size: 0.88rem;
  color: var(--muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(24px, 4vw, 56px);
  padding: clamp(36px, 5vw, 56px) 0;
}
.footer-col-title {
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
.footer-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-list li,
.footer-list a,
.footer-list span {
  font-size: 0.88rem;
  color: var(--text-soft);
}
.footer-list a {
  width: fit-content;
  transition: color 0.25s ease;
}
.footer-list a:hover {
  color: var(--accent-2);
}
.footer-socials a {
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-social-icon {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--muted);
}
.footer-social-icon svg {
  width: 13px;
  height: 13px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  font-size: 0.76rem;
  color: var(--muted);
}
.footer-legal {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.footer-legal a:hover {
  color: var(--accent-2);
}

/* ---------- Archive / taxonomy ---------- */
.archive-page {
  padding-top: calc(var(--header-h) + clamp(30px, 7vh, 68px));
  padding-bottom: clamp(50px, 8vw, 90px);
  max-width: calc(1020px + var(--pad) * 2);
}
.archive-hero {
  padding-bottom: clamp(28px, 4vw, 44px);
  margin-bottom: clamp(24px, 4vw, 40px);
  border-bottom: 1px solid var(--border);
}
.archive-title {
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 6vw, 4.2rem);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -0.045em;
}
.archive-sub {
  max-width: 48ch;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  line-height: 1.7;
  text-transform: uppercase;
  color: var(--muted);
}

.archive-years {
  display: flex;
  flex-direction: column;
  gap: clamp(24px, 4vw, 44px);
}
.archive-year-title {
  margin-bottom: 4px;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 8vw, 4.6rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.05em;
  color: transparent;
  -webkit-text-stroke: 1px var(--stroke);
}
.archive-month {
  margin-top: 18px;
}
.archive-month-title {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--accent-2);
}

.archive-foot {
  display: flex;
  justify-content: center;
  margin-top: 40px;
}

.pager {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: clamp(32px, 5vw, 52px);
}
.pager-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.82rem;
  color: var(--text-soft);
  background: var(--panel);
  transition: border-color 0.25s ease, color 0.25s ease,
    transform 0.25s var(--ease);
}
.pager-btn:hover {
  color: var(--accent-2);
  border-color: var(--accent);
  transform: translateY(-2px);
}
.pager-btn svg {
  width: 15px;
  height: 15px;
}
.pager-status {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--panel);
  font-size: 0.88rem;
  color: var(--text-soft);
  transition: transform 0.3s var(--ease), border-color 0.3s ease,
    color 0.3s ease;
}
.tag-chip::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--tag-color, transparent);
  box-shadow: 0 0 10px var(--tag-color, transparent);
}
.tag-chip:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  color: var(--text);
}
.tag-num {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--muted);
}

.tax-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 22px);
}
.tax-card {
  position: relative;
  padding: clamp(22px, 3vw, 30px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--panel);
  transition: transform 0.45s var(--ease), border-color 0.35s ease,
    box-shadow 0.45s var(--ease);
}
.tax-card:hover {
  transform: translateY(-4px);
  border-color: rgba(124, 107, 255, 0.35);
  box-shadow: var(--shadow-md);
}
.tax-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.tax-icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel-2);
  color: var(--accent-2);
}
.tax-icon svg {
  width: 18px;
  height: 18px;
}
.tax-title {
  font-family: var(--font-display);
  font-size: 1.28rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}
.tax-title:hover {
  color: var(--accent-2);
}
.tax-desc {
  margin-bottom: 16px;
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--muted);
}
.tax-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.tax-count {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.tax-arrow {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--muted);
  transition: color 0.3s ease, border-color 0.3s ease,
    transform 0.3s var(--ease);
}
.tax-arrow svg {
  width: 15px;
  height: 15px;
}
.tax-card:hover .tax-arrow {
  color: var(--accent-2);
  border-color: var(--accent);
  transform: translate(2px, -2px);
}
.tax-children {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.tax-children a {
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.74rem;
  color: var(--muted);
  transition: color 0.25s ease, border-color 0.25s ease;
}
.tax-children a:hover {
  color: var(--accent-2);
  border-color: var(--accent);
}

.author-hero {
  display: flex;
  align-items: center;
  gap: clamp(20px, 4vw, 36px);
  padding-bottom: clamp(28px, 4vw, 44px);
  margin-bottom: clamp(22px, 3vw, 36px);
  border-bottom: 1px solid var(--border);
}
.author-hero-avatar {
  flex: none;
  width: clamp(84px, 14vw, 124px);
  aspect-ratio: 1;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  background: radial-gradient(circle at 30% 25%, #23233f, #0a0a12 72%);
  box-shadow: var(--shadow-md), 0 0 0 6px var(--panel);
}
.author-hero-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.author-hero-avatar span {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 600;
  background: linear-gradient(150deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.author-hero-info {
  min-width: 0;
}
.author-count {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- Reading progress ---------- */
.read-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  height: 2px;
  pointer-events: none;
}
.read-bar {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 14px var(--accent);
  transition: width 0.1s linear;
}

/* ---------- Post page ---------- */
.post-page,
.page-page {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(28px, 6vh, 58px));
  padding-bottom: clamp(50px, 8vw, 90px);
}
.post-hero {
  max-width: calc(1080px + var(--pad) * 2);
}
.post-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 26px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  transition: color 0.25s ease, gap 0.25s var(--ease);
}
.post-back:hover {
  color: var(--accent-2);
  gap: 12px;
}
.post-back svg {
  width: 15px;
  height: 15px;
}

.post-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}
.post-cats a {
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--panel);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-2);
  transition: border-color 0.25s ease, background-color 0.25s ease;
}
.post-cats a:hover {
  border-color: var(--accent);
  background: var(--panel-2);
}

.post-hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.04em;
  word-break: break-word;
}
.post-hero-excerpt {
  max-width: 62ch;
  margin-top: 18px;
  font-size: clamp(1rem, 1.6vw, 1.14rem);
  line-height: 1.7;
  color: var(--muted);
}

.post-hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.meta-item svg {
  width: 14px;
  height: 14px;
}
.meta-avatar {
  width: 24px;
  height: 24px;
  border: 1px solid var(--border);
  border-radius: 50%;
  object-fit: cover;
}

.post-cover {
  max-width: calc(1080px + var(--pad) * 2);
  margin-top: clamp(28px, 5vw, 46px);
}
.post-cover img {
  width: 100%;
  aspect-ratio: 16 / 8;
  object-fit: cover;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.post-page .post-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 212px;
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
  max-width: calc(1080px + var(--pad) * 2);
  margin-top: clamp(32px, 5vw, 56px);
}

.post-toc {
  order: 2;
  position: sticky;
  top: calc(var(--header-h) + 34px);
  align-self: start;
  max-height: calc(100svh - var(--header-h) - 70px);
  overflow-y: auto;
  padding-right: 6px;
}
.toc-inner {
  padding-left: 2px;
}
.toc-title {
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
.toc-list {
  display: flex;
  flex-direction: column;
}
.toc-list a {
  display: block;
  padding: 6px 0 6px 13px;
  border-left: 1px solid var(--border);
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--muted);
  transition: color 0.25s ease, border-color 0.25s ease,
    padding-left 0.3s var(--ease);
}
.toc-list a:hover {
  color: var(--text);
}
.toc-list a.is-active {
  color: var(--accent-2);
  border-color: var(--accent);
  padding-left: 17px;
}
.toc-list a.depth-3 {
  padding-left: 26px;
  font-size: 0.76rem;
}
.toc-list a.is-active.depth-3 {
  padding-left: 30px;
}
.toc-list:empty::after {
  content: "";
}

.post-main {
  order: 1;
  min-width: 0;
  max-width: 768px;
}

/* 当文章没有可用目录时，正文与标题整体收窄并居中，避免左侧留出空列 */
.post-page.no-toc .post-hero,
.post-page.no-toc .post-cover,
.post-page.no-toc .post-body {
  max-width: calc(768px + var(--pad) * 2);
}
.post-page.no-toc .post-body {
  grid-template-columns: minmax(0, 1fr);
}
.post-page.no-toc .post-main {
  max-width: 100%;
}

.toc-mobile {
  display: none;
  margin-bottom: 26px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--panel);
  overflow: hidden;
}
.toc-mobile summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 13px 16px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  cursor: pointer;
  list-style: none;
}
.toc-mobile summary::-webkit-details-marker {
  display: none;
}
.toc-mobile summary svg {
  width: 16px;
  height: 16px;
  transition: transform 0.3s var(--ease);
}
.toc-mobile[open] summary svg {
  transform: rotate(180deg);
}
.toc-mobile .toc-list {
  padding: 4px 16px 14px;
}

/* ---------- Prose ---------- */
.prose {
  font-size: clamp(1rem, 1.3vw, 1.075rem);
  line-height: 1.9;
  color: var(--text-soft);
  word-wrap: break-word;
}
.prose > *:first-child {
  margin-top: 0;
}
.prose > *:last-child {
  margin-bottom: 0;
}
.prose h1,
.prose h2,
.prose h3,
.prose h4,
.prose h5,
.prose h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.28;
  letter-spacing: -0.02em;
  scroll-margin-top: calc(var(--header-h) + 34px);
}
.prose h1 {
  margin: 2.2em 0 0.7em;
  font-size: clamp(1.7rem, 3vw, 2.1rem);
}
.prose h2 {
  margin: 2.1em 0 0.7em;
  font-size: clamp(1.45rem, 2.6vw, 1.85rem);
}
.prose h2::before {
  content: "";
  display: block;
  width: 30px;
  height: 2px;
  margin-bottom: 16px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}
.prose h3 {
  margin: 1.9em 0 0.6em;
  font-size: clamp(1.18rem, 2vw, 1.36rem);
}
.prose h4 {
  margin: 1.6em 0 0.5em;
  font-size: 1.08rem;
}
.prose p {
  margin: 1.25em 0;
}
.prose a {
  color: var(--accent-2);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  text-decoration-color: rgba(46, 230, 255, 0.4);
  transition: color 0.25s ease, text-decoration-color 0.25s ease;
}
.prose a:hover {
  color: var(--accent);
  text-decoration-color: var(--accent);
}
.prose strong {
  color: var(--text);
  font-weight: 600;
}
.prose ul,
.prose ol {
  margin: 1.2em 0;
  padding-left: 1.35em;
}
.prose ul {
  list-style: disc;
}
.prose ol {
  list-style: decimal;
}
.prose li {
  margin: 0.45em 0;
  padding-left: 0.2em;
}
.prose li::marker {
  color: var(--accent);
}
.prose blockquote {
  margin: 1.9em 0;
  padding: 1em 1.4em;
  border-left: 2px solid var(--accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: var(--panel);
  color: var(--text-soft);
}
.prose blockquote p {
  margin: 0.35em 0;
}
.prose code {
  padding: 0.16em 0.42em;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel-2);
  font-family: var(--font-mono);
  font-size: 0.84em;
  color: var(--accent-2);
}
.prose pre {
  margin: 1.8em 0;
  padding: 18px 20px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  background: var(--code-bg);
  overflow-x: auto;
  line-height: 1.7;
  box-shadow: var(--shadow-md);
}
.prose pre code {
  padding: 0;
  border: 0;
  background: none;
  font-size: 0.85rem;
  color: #e8e8f2;
}
.prose img {
  max-width: 100%;
  height: auto;
  margin: 1.8em auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}
.prose figure {
  margin: 1.8em 0;
}
.prose figure img {
  margin-bottom: 0.6em;
}
.prose figcaption {
  font-size: 0.78rem;
  color: var(--muted);
  text-align: center;
}
.prose hr {
  height: 1px;
  margin: 3em 0;
  border: 0;
  background: linear-gradient(90deg, transparent, var(--border-strong), transparent);
}
.prose table {
  display: block;
  width: 100%;
  margin: 1.8em 0;
  border-collapse: collapse;
  overflow-x: auto;
  font-size: 0.9em;
}
.prose th,
.prose td {
  padding: 0.65em 0.9em;
  border: 1px solid var(--border);
  text-align: left;
}
.prose th {
  background: var(--panel-2);
  color: var(--text);
  font-weight: 600;
}
.prose kbd {
  padding: 0.1em 0.42em;
  border: 1px solid var(--border-strong);
  border-radius: 5px;
  background: var(--panel-2);
  font-family: var(--font-mono);
  font-size: 0.8em;
  box-shadow: 0 1px 0 var(--border);
}
.prose .code-block {
  position: relative;
  margin: 1.8em 0;
}
.prose .code-block pre {
  margin: 0;
}
.code-copy {
  position: absolute;
  top: 9px;
  right: 9px;
  z-index: 2;
  padding: 5px 10px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  color: #cfcfe0;
  opacity: 0;
  transition: opacity 0.25s ease, background-color 0.25s ease;
}
.code-block:hover .code-copy,
.code-copy:focus-visible {
  opacity: 1;
}
.code-copy:hover {
  background: rgba(255, 255, 255, 0.16);
}
.code-copy.is-copied {
  color: #39d98a;
  border-color: rgba(57, 217, 138, 0.45);
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
}
.post-tags-label {
  margin-right: 4px;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.post-tags a {
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.78rem;
  color: var(--text-soft);
  background: var(--panel);
  transition: color 0.25s ease, border-color 0.25s ease;
}
.post-tags a:hover {
  color: var(--accent-2);
  border-color: var(--accent);
}

.post-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 26px;
}
.post-end-mark {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.24em;
  color: var(--muted);
}

.author-card {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-top: 42px;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--panel);
}
.author-avatar {
  flex: none;
  display: grid;
  place-items: center;
  width: 62px;
  height: 62px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--panel-2);
}
.author-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.author-avatar span {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.author-info {
  min-width: 0;
}
.author-name {
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 600;
}
.author-bio {
  margin-top: 6px;
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--muted);
}
.author-info .text-link {
  margin-top: 12px;
  font-size: 0.8rem;
}

.post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 40px;
}
.post-nav-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--panel);
  transition: border-color 0.3s ease, transform 0.3s var(--ease),
    background-color 0.3s ease;
}
.post-nav-item:hover {
  border-color: var(--accent);
  background: var(--panel-2);
  transform: translateY(-2px);
}
.nav-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.nav-label svg {
  width: 13px;
  height: 13px;
}
.nav-title {
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--text);
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}
.post-nav-next {
  text-align: right;
}
.post-nav-next .nav-label {
  justify-content: flex-end;
}

.related {
  margin-top: clamp(40px, 6vw, 64px);
  padding-top: clamp(30px, 4vw, 44px);
  border-top: 1px solid var(--border);
}
.related-title {
  margin-bottom: 20px;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.related-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--panel);
  transition: transform 0.4s var(--ease), border-color 0.3s ease;
}
.related-card:hover {
  transform: translateY(-4px);
  border-color: rgba(124, 107, 255, 0.4);
}
.related-cover {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--panel-2);
}
.related-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}
.related-card:hover .related-cover img {
  transform: scale(1.06);
}
.related-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 16px;
}
.related-body time {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}
.related-body h3 {
  margin-top: 7px;
  font-size: 0.94rem;
  font-weight: 600;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}
.related-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  padding-top: 12px;
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--accent-2);
}
.related-more svg {
  width: 13px;
  height: 13px;
}

.comments {
  margin-top: clamp(44px, 6vw, 68px);
  padding-top: clamp(30px, 4vw, 44px);
  border-top: 1px solid var(--border);
}
.comments-title {
  margin-bottom: 20px;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
}

/* ---------- Single page ---------- */
.page-hero {
  max-width: calc(880px + var(--pad) * 2);
}
.page-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 600;
  line-height: 1.14;
  letter-spacing: -0.04em;
}
.page-page .post-cover {
  max-width: calc(1080px + var(--pad) * 2);
}
.page-main {
  max-width: calc(800px + var(--pad) * 2);
  margin-top: clamp(30px, 5vw, 52px);
}

/* ---------- 404 / error ---------- */
.error-page {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(24px, 5vw, 60px);
  min-height: 100svh;
  padding-top: calc(var(--header-h) + clamp(40px, 8vh, 90px));
  padding-bottom: clamp(40px, 7vh, 80px);
}
.error-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 320px;
}
.error-code {
  position: relative;
  z-index: 2;
  font-family: var(--font-display);
  font-size: clamp(7rem, 20vw, 15rem);
  font-weight: 700;
  line-height: 0.82;
  letter-spacing: -0.06em;
  background: linear-gradient(180deg, var(--text) 15%, transparent 92%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.error-orb {
  position: absolute;
  width: 58%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent), transparent 66%);
  filter: blur(46px);
  opacity: 0.5;
}
.error-ring {
  position: absolute;
  width: 68%;
  aspect-ratio: 1;
  border: 1px dashed var(--border-strong);
  border-radius: 50%;
  animation: spin 26s linear infinite;
}
.error-copy {
  max-width: 520px;
}
.error-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.4vw, 3.2rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.04em;
}
.error-desc {
  margin-top: 16px;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--muted);
}
.error-hint {
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--accent-2);
}
.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

/* ---------- Reveal ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.85s var(--ease), transform 0.85s var(--ease);
}
.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}
.js .skills-grid .reveal:nth-child(2),
.js .works-grid .reveal:nth-child(2) {
  transition-delay: 0.06s;
}
.js .skills-grid .reveal:nth-child(3),
.js .works-grid .reveal:nth-child(3) {
  transition-delay: 0.12s;
}
.js .skills-grid .reveal:nth-child(4) {
  transition-delay: 0.18s;
}
.js .skills-grid .reveal:nth-child(5) {
  transition-delay: 0.06s;
}
.js .skills-grid .reveal:nth-child(6) {
  transition-delay: 0.12s;
}
.js .skills-grid .reveal:nth-child(7) {
  transition-delay: 0.18s;
}
.js .skills-grid .reveal:nth-child(8) {
  transition-delay: 0.24s;
}

/* ---------- Keyframes ---------- */
@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(57, 217, 138, 0.5);
  }
  70% {
    box-shadow: 0 0 0 7px rgba(57, 217, 138, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(57, 217, 138, 0);
  }
}
@keyframes blink {
  0%,
  49% {
    opacity: 1;
  }
  50%,
  100% {
    opacity: 0;
  }
}
@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-9px);
  }
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
@keyframes marquee {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(-50%, 0, 0);
  }
}
@keyframes scroll-down {
  0% {
    transform: translateY(0);
    opacity: 0;
  }
  30% {
    opacity: 1;
  }
  100% {
    transform: translateY(56px);
    opacity: 0;
  }
}
@keyframes drift-a {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(8vw, 6vh, 0) scale(1.12);
  }
}
@keyframes drift-b {
  from {
    transform: translate3d(0, 0, 0) scale(1.05);
  }
  to {
    transform: translate3d(-6vw, 8vh, 0) scale(0.95);
  }
}
@keyframes drift-c {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(-8vw, -6vh, 0) scale(1.15);
  }
}
@keyframes grain-shift {
  0% {
    transform: translate(0, 0);
  }
  25% {
    transform: translate(-4%, 3%);
  }
  50% {
    transform: translate(3%, -5%);
  }
  75% {
    transform: translate(-3%, -3%);
  }
  100% {
    transform: translate(0, 0);
  }
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1180px) {
  .skills-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 1100px) {
  .post-page .post-body {
    grid-template-columns: minmax(0, 1fr);
    max-width: calc(768px + var(--pad) * 2);
  }
  .post-page .post-hero,
  .post-page .post-cover {
    max-width: calc(768px + var(--pad) * 2);
  }
  .post-toc {
    display: none;
  }
  .toc-mobile {
    display: block;
  }
  .post-page .post-main {
    max-width: 100%;
  }
}

@media (max-width: 959px) {
  :root {
    --header-h: 54px;
  }
  .nav-pill {
    display: none;
  }
  .menu-toggle {
    display: grid;
  }
  .header-bar {
    padding-right: 6px;
  }
  .float-edu {
    left: -4%;
    top: 2%;
    max-width: 190px;
    padding: 9px 12px;
  }
  .float-edu-text strong {
    font-size: 0.74rem;
  }
  .float-edu-text span {
    font-size: 0.53rem;
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--header-h) + clamp(20px, 5vh, 44px));
    padding-bottom: clamp(40px, 7vh, 64px);
  }
  .hero-shell {
    grid-template-columns: minmax(0, 1fr);
    gap: clamp(30px, 6vh, 46px);
  }
  .hero-visual {
    order: -1;
  }
  .portrait-wrap {
    width: min(64vw, 268px);
  }
  .float-location {
    left: -4%;
    bottom: 26%;
    padding: 8px 12px;
    font-size: 0.72rem;
  }
  .float-stat {
    right: -4%;
    top: 8%;
    padding: 8px 12px;
  }
  .float-stat strong {
    font-size: 1.15rem;
  }
  .float-stat span {
    font-size: 0.52rem;
  }
  .hero-scroll {
    display: none;
  }

  .section-sub {
    text-align: left;
  }

  .about-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 30px;
  }
  .about-side {
    padding-left: 0;
    padding-top: 22px;
    border-left: 0;
    border-top: 1px solid var(--border);
  }
  .fact-row:first-child {
    padding-top: 13px;
  }

  .work-card.is-featured {
    display: flex;
    flex-direction: column;
  }
  .work-card.is-featured .work-media {
    min-height: 0;
    aspect-ratio: 16 / 9;
  }
  .work-card.is-featured .work-body {
    padding: clamp(20px, 2.6vw, 30px);
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .error-page {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
    min-height: auto;
  }
  .error-visual {
    min-height: 200px;
    order: -1;
  }
  .error-code {
    font-size: clamp(6rem, 34vw, 10rem);
  }
  .error-copy {
    max-width: 100%;
    text-align: left;
  }
}

@media (max-width: 760px) {
  .skills-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .works-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .work-card.is-featured {
    grid-column: auto;
  }
  .journey-grid,
  .services-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .now-panel {
    grid-template-columns: minmax(0, 1fr);
    gap: 26px;
  }
  .toolbox {
    flex-direction: column;
    gap: 14px;
  }
  .toolbox-head {
    min-width: 0;
  }
  .tax-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .related-card:last-child {
    display: none;
  }
  .post-list .post-thumb {
    width: 92px;
  }
  .post-item {
    gap: 14px;
  }
}

@media (max-width: 620px) {
  :root {
    --pad: 18px;
    --radius-xl: 24px;
    --radius-lg: 20px;
  }

  .header-bar {
    gap: 6px;
    padding-left: 8px;
  }
  .brand {
    gap: 8px;
    padding: 3px;
  }
  .brand-mark {
    width: 32px;
    height: 32px;
    border-radius: 10px;
  }
  .brand-text {
    display: flex;
    max-width: 116px;
  }
  .brand-title {
    font-size: 0.86rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .brand-sub {
    display: none;
  }
  .float-edu {
    display: none;
  }
  .now-item {
    grid-template-columns: auto minmax(0, 1fr);
    row-gap: 3px;
  }
  .now-value {
    grid-column: 2;
  }

  .hero-name {
    font-size: clamp(2.55rem, 12.5vw, 3.4rem);
  }
  .hero-name-en {
    letter-spacing: 0.28em;
  }
  .hero-status {
    margin-bottom: 16px;
    font-size: 0.72rem;
  }
  .hero-desc {
    font-size: 0.94rem;
    margin-bottom: 24px;
  }
  .hero-actions {
    margin-bottom: 24px;
  }
  .btn {
    min-height: 46px;
    padding: 12px 20px;
    font-size: 0.88rem;
  }

  .section {
    padding: clamp(56px, 9vh, 84px) 0;
  }
  .section-title-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .section-title {
    font-size: clamp(1.8rem, 8vw, 2.4rem);
  }
  .section-sub {
    font-size: 0.62rem;
  }

  .stats-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .stat {
    padding: 20px 12px 20px 0;
  }
  .stat:nth-child(3n) {
    border-right: 0;
  }
  .stat-value {
    font-size: 1.9rem;
  }
  .stat-label {
    font-size: 0.56rem;
    letter-spacing: 0.08em;
  }

  .skills-grid {
    gap: 10px;
  }
  .skill-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 2px 14px;
    padding: 15px 17px;
    border-radius: 14px;
  }
  .skill-top {
    display: none;
  }
  .skill-name {
    grid-column: 1;
    grid-row: 1;
    margin: 0;
    font-size: 0.98rem;
  }
  .skill-bar {
    grid-column: 1 / -1;
    grid-row: 2;
    margin-top: 10px;
    height: 3px;
  }
  .skill-foot {
    grid-column: 2;
    grid-row: 1;
    margin: 0;
    font-size: 0.58rem;
  }
  .skill-hint {
    display: none;
  }
  .skill-level {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-soft);
  }

  .work-title {
    font-size: 1.15rem;
  }

  .post-item {
    grid-template-columns: minmax(0, 1fr) auto;
    padding-block: 18px;
    gap: 12px;
  }
  .post-index {
    display: none;
  }
  .post-arrow {
    display: none;
  }
  .post-thumb {
    width: 84px;
  }
  .post-title {
    font-size: 1.06rem;
  }
  .post-excerpt {
    font-size: 0.84rem;
    -webkit-line-clamp: 2;
  }

  .post-hero-title {
    font-size: clamp(1.8rem, 8vw, 2.4rem);
  }
  .post-hero-meta {
    gap: 10px 16px;
    margin-top: 18px;
  }
  .post-hero-meta .meta-sep {
    display: none;
  }
  .post-cover img {
    aspect-ratio: 16 / 10;
    border-radius: var(--radius-lg);
  }
  .post-nav {
    grid-template-columns: minmax(0, 1fr);
  }
  .post-nav-next {
    text-align: left;
  }
  .post-nav-next .nav-label {
    justify-content: flex-start;
  }
  .related-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .related-card:last-child {
    display: flex;
  }
  .author-card {
    flex-direction: column;
    gap: 14px;
  }

  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }
  .footer-mail {
    font-size: clamp(1.7rem, 8vw, 2.4rem);
  }
  .footer-bottom {
    justify-content: flex-start;
  }
  .footer-legal {
    gap: 10px;
  }

  .archive-title {
    font-size: clamp(2rem, 9vw, 2.7rem);
  }
  .author-hero {
    align-items: flex-start;
    gap: 18px;
  }
  .author-hero-avatar {
    width: 74px;
  }

  .prose {
    font-size: 1rem;
    line-height: 1.85;
  }
  .prose pre {
    margin-inline: -18px;
    border-radius: 0;
    border-inline: 0;
    padding: 16px 18px;
  }
  .prose blockquote {
    padding: 0.9em 1.1em;
  }
}

@media (max-width: 400px) {
  .hero-name {
    font-size: 2.35rem;
  }
  .hero-name-en {
    font-size: 0.8rem;
    letter-spacing: 0.24em;
  }
  .portrait-wrap {
    width: min(66vw, 236px);
  }
  .hero-typewriter {
    font-size: 0.74rem;
  }
  .skills-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .post-thumb {
    width: 72px;
  }
  .post-list .post-thumb {
    width: 72px;
  }
  .tag-chip {
    padding: 8px 13px;
    font-size: 0.82rem;
  }
}

/* ---------- Reduced motion ---------- */
@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 {
    opacity: 1;
    transform: none;
  }
}